This year, the age of the father is four times the age of the daughter. After 5 years, the sum of the ages of father and daughter will be 50. How old is your father this year?
50 5 2 [OP_MUL] [OP_SUB] 1 4 [OP_ADD] [OP_DIV] 4 [OP_MUL]
var_a = 50
var_b = 5
var_c = 2
var_d = var_b * var_c
var_e = var_a - var_d
var_f = 1
var_g = 4
var_h = var_f + var_g
var_i = var_e / var_h
var_j = 4
var_k = var_i * var_j
print(int(var_k))