The program below is meant to calculate how much time an entire trip will take, based off a few variables:

• time_spent_so_far
• distance_travelled
• distance_left

Finish the two variable assignments with the appropriate math operations so that the total time (not just the remaining time) is determined.

HINT: Speed is distance divided by time. Correspondingly, you can divide distance by speed to determine how long it will take to travel that distance.