While a centipede can crawl 5 meters (m) in 3 minutes, an earthworm can crawl 5 meters (m) in 2 minutes. If the centipede starts crawling 20 meters (m) ahead of the earthworm and they both start crawling at the same time, find how many minutes takes for them to meet after the departure.
20 5 2 [OP_DIV] 5 3 [OP_DIV] [OP_SUB] [OP_DIV]
var_a = 20
var_b = 5
var_c = 2
var_d = var_b / var_c
var_e = 5
var_f = 3
var_g = var_e / var_f
var_h = var_d - var_g
var_i = var_a / var_h
print(int(eval('{:.2f}'.format(round(var_i+1e-10,2)))))