There were 32 people on the bus. At the bus stop, 19 people got on and 13 people got off. Find how many people are on the bus right now.
32 19 [OP_ADD] 13 [OP_SUB]
var_a = 32
var_b = 19
var_c = var_a + var_b
var_d = 13
var_e = var_c - var_d
print(int(var_e))