A rectangular vegetable field is 10 meters long and 8 meters wide. On average, 120 kilograms of vegetables are harvested per square meter. How many kilograms of vegetables are harvested in this vegetable field?
一块长方形菜地，长10米，宽8米，平均每平方米收120千克青菜，这个菜地共收青菜多少千克？
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">120 * 80</gadget>
<output>9_600</output>

<result>9_600</result>