This year, the age of the mother is four times the age of the son. Three years ago, the combined ages of mother and son were 49. How old is her son this year?
49 3 2 [OP_MUL] [OP_ADD] 1 4 [OP_ADD] [OP_DIV]
var_a = 49
var_b = 3
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
print(int(var_i))