There are 15 pieces of fruit in the supermarket, and each piece of fruit is 20kg. If the price of the fruit is 8.00 yuan/kg, how much do these fruits cost?
超市里有15件水果，每件水果20kg，如果水果的价格是8.00元/千克，这些水果要卖多少元？
<gadget id="calculator">15 * 20 * 8</gadget>
<output>2_400</output>

<result>2_400</result>