Lettuce, which was sold at a store for 2,500 won per kilogram (kg), is being sold at a discount of 0.3 of the initial price. Find how much money you need to buy 1.8 kilograms (kg) of lettuce at a discounted price.
2500 1 0.3 [OP_SUB] [OP_MUL] 1.8 [OP_MUL]
var_a = 2500
var_b = 1
var_c = 0.3
var_d = var_b - var_c
var_e = var_a * var_d
var_f = 1.8
var_g = var_e * var_f
print(int(var_g))