Yoongi wants to buy two types of fruit, apples and pears. How many ways are there to buy 4 fruits?
2 1 [OP_SUB] 4 [OP_ADD] 4 [OP_COMB]
var_a = 2
var_b = 1
var_c = var_a - var_b
var_d = 4
var_e = var_c + var_d
var_f = 4
var_g = 1
var_e = int(var_e)
var_f = int(var_f)
for i, elem in enumerate(range(var_f)):
    var_g = var_g * (var_e-i)
for i, elem in enumerate(range(var_f)):
    var_g = var_g / (i+1)
print(int(var_g))