There is a roughly parallelogram-shaped vegetable field with a base of 75 meters and a height of 40 meters. This field harvests a total of 46.2 tons of cauliflower. How many tons of cauliflower are harvested per hectare?
有一块近似平行四边形的菜地，底是75米，高是40米，这块地共收花菜46.2吨，每公顷收花菜多少吨？
<gadget id="calculator">40 / 10_000</gadget>
<output>1/250 = around 0.004</output>

<gadget id="calculator">75 * (1/250)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">46.2 / (3/10)</gadget>
<output>154</output>

<result>154</result>