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All courses/Python BasicsDemo: Calculate with Numbers
Values, Operators, and Input
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○Welcome to Python○Demo: Print a Message○Exercise: Print an Announcement○Demo: Names and Values○Exercise: Label a Station○Demo: Inspect Data Types○Exercise: Record Supplies✦Module Quiz
●Demo: Calculate with Numbers○Exercise: Calculate a Bus Cost○Demo: Format a Message○Exercise: Format an Invoice○Demo: Convert Text to Numbers○Exercise: Convert Measurements○Demo: A Prefilled User Response○Exercise: Build a Workshop Ticket✦Module Quiz
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○Create and Index a Supply List○Exercise: Build a Queue○Change a Playlist○Exercise: Update Orders○Loop and Slice a Route○Exercise: Pack Deliveries○Read a Fixed Tuple Record○Exercise: Read a Session Record✦Module Quiz
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○Classes, Objects, and Enums to Recognize○Final Project: Workshop Board✦Module Quiz

Demo: Calculate with Numbers

A plant stall counts how many trays it can fill. +, -, *, and / do addition, subtraction, multiplication, and decimal division. // gives whole groups, % gives the remainder, and ** raises to a power. Parentheses make an intended grouping clear: (2 + 3) * 4 is not 2 + 3 * 4. Keep numbers unquoted for arithmetic; / produces a float even with whole-number inputs.

The code calculates whole trays and leftover plants. Change only plants from 17 to 23. Edit main.py, press Run to see Trays: 5 and Loose plants: 3, then Submit. The next exercise applies the same operators to another event.

Your Task

  1. Change the number of plants to 23.
Loading editor…
Press Run to execute your code.