It is said that it takes four days for the older brother and 12 days for the younger to complete a certain task. If the older brother and the younger brother do this together, find how many days it will take to complete the job.
1 1 4 [OP_DIV] 1 12 [OP_DIV] [OP_ADD] [OP_DIV]
var_a = 1
var_b = 1
var_c = 4
var_d = var_b / var_c
var_e = 1
var_f = 12
var_g = var_e / var_f
var_h = var_d + var_g
var_i = var_a / var_h
print(int(var_i))