14 runners participate in the marathon event. It is said that each player needs 5 bottles of water. If you currently have 68 bottles of water, how many more bottles do you need to avoid running out?
14 5 [OP_MUL] 68 [OP_SUB]
var_a = 14
var_b = 5
var_c = var_a * var_b
var_d = 68
var_e = var_c - var_d
print(int(var_e))