three rugs have a combined area of 212 square meters . by overlapping the rugs to cover floor area of 140 square meters , the area that is covered by exactly two layers of rug is 24 square meters . what is the area that is covered with three layers of rug ?
n0 = 212.0
n1 = 140.0
n2 = 24.0
t0 = n0 - n1
t1 = t0 - n2
answer = t1 / 2.0
print(answer)