A rectangular rice test field is 40 meters long and 24 meters wide, with an average harvest of 14 kilograms of rice per square meter. How many kilograms of rice are harvested in this test field?
一块长方形水稻试验田，长40米，宽24米，平均每平方米收稻谷14千克，这块试验田一共收稻谷多少千克？
<gadget id="calculator">40 * 24 * 14</gadget>
<output>13_440</output>

<result>13_440</result>