Help me in solving PYTH32 problem

My issue

Why code is getting incorrect

My code

s = 14
cost_per_cm2 = 7
area = s * s
cost = area * cost_per_cm2
print("Area:", area)
print("Cost:", cost)

Learning course: Learn Python Programming
Problem Link: https://www.codechef.com/learn/course/rcpit-python/RCPITPY05/problems/PYTH32

it is working properly, I don’t find any error in this code. If you find any error then you can tell me.