There were 17 fewer children than adults on the train at the first station. At the next station, 57 adults and 18 children got on and 44 got off. If there are 502 people on the train right now, how many adults got on the train at the first station?
502 18 57 [OP_ADD] 44 [OP_SUB] [OP_SUB] 17 [OP_ADD] 2 [OP_DIV]
var_a = 502
var_b = 18
var_c = 57
var_d = var_b + var_c
var_e = 44
var_f = var_d - var_e
var_g = var_a - var_f
var_h = 17
var_i = var_g + var_h
var_j = 2
var_k = var_i / var_j
print(int(var_k))