the length and breadth of a rectangle is increased by 10 % and 30 % respectively . what is the increase in the area ?
n0 = 10.0
n1 = 30.0
t0 = n0 + 100.0
t1 = n1 + 100.0
t2 = 100.0 * 100.0  # area of rectangle
t3 = t0 * t1  # area of rectangle
t4 = t3 - t2
t5 = t4 * 100.0
answer = t5 / t2
print(answer)