Out of 1000 grams (g) of bread, if Bomi ate 350 grams (g) and Yejun ate 500 grams (g), how many grams (g) of bread are left?
1000 350 [OP_SUB] 500 [OP_SUB]
var_a = 1000
var_b = 350
var_c = var_a - var_b
var_d = 500
var_e = var_c - var_d
print(int(var_e))