A rectangular vegetable field is 10 meters long and 6 meters wide. If 45 kilograms of cabbage is harvested per square meter, how many kilograms of cabbage are harvested in this land?
一块长方形菜地，长10米，宽6米．如果每平方米收白菜45千克，这块地共收白菜多少千克？
<gadget id="calculator">10 * 6 * 45</gadget>
<output>2_700</output>

<result>2_700</result>