A piece of parallelogram land has a base length of 150m and a height of 90m, and 6 kg of green vegetables are harvested per square meter. How many kg of green vegetables are harvested in this land?
一块平行四边形地，底长150m，高90m，每平方米收青菜6kg，这块地共收多少㎏青菜？
<gadget id="calculator">150 * 90 * 6</gadget>
<output>81_000</output>

<result>81_000</result>