Suppose you have 49 rabbits and 37 frogs on the farm. The total number of frogs and chickens is larger than rabbits by 9. How many chickens do you have?
49 9 [OP_ADD] 37 [OP_SUB]
var_a = 49
var_b = 9
var_c = var_a + var_b
var_d = 37
var_e = var_c - var_d
print(int(var_e))