# Var name is left, value is right
price_per_item = 0.5
amount = 10
order_price = price_per_item * amount # mult
print(order_price)
shipping_cost = 3.0
total_cost = order_price + shipping_cost # add
print(total_cost)
voucher = 2.0
total_cost = total_cost – voucher # sub
print(total_cost)
brothers_cost = total_cost / 2 # div
print(brothers_cost)