If Jihye walked 1/5 of the distance to her grandmother's house and took the bus for the rest of the distance, find how many times the total distance was taken by bus.
1 1/5 [OP_SUB]
var_a = 1
var_b = 0.2
var_c = var_a - var_b
print('{:.2f}'.format(round(var_c+1e-10,2)))