A fruit shop has 20 boxes of apples, each weighing 15 kilograms. If each kilogram sells for 12 yuan, how much can these apples be sold for in total?
某水果店进了20箱苹果，每箱15千克，如果每千克卖12元，这些苹果一共可以卖多少元钱？
<gadget id="calculator">15 * 20 * 12</gadget>
<output>3_600</output>

<result>3_600</result>