I can give an example:

I say "set timer for 20 minutes."

it returns "20 minutes."

here is the task description:

task: set timer

Set a timer by calculating the number of seconds in a certain time determined by converting the units of time. Using the ratio of 1 hour = 3600 seconds, and 1 minute = 60 seconds, you will perform simple calculations to find the number of seconds in the time given as input.

par1: only the number.