parallelogram field has a base length of 90 meters and a height of 80 meters. Cucumbers are planted on this land, and a total of 4860 kilograms of cucumbers are harvested. How many kilograms of cucumbers are harvested per square meter on average?
一块平行四边形田地，底边长90米，高80米．在这块地种上黄瓜，共收黄瓜4860千克，平均每平方米收黄瓜多少千克？
<gadget id="calculator">90 * 80</gadget>
<output>7_200</output>

<gadget id="calculator">4_860 / 7_200</gadget>
<output>27/40 = around 0.675</output>

<result>27/40 = around 0.675</result>