orders = int(input())
sumi = 0
for i in range(orders):
    price_per_capsule = float(input())
    days = int(input())
    capsules_count = int(input())
    price = days*price_per_capsule*capsules_count
    sumi += price
    print(f"The price for the coffee is: ${price:.2f}")
print(f"Total: ${sumi:.2f}")