triangular wheat field harvests a total of 2.4 tons of wheat, 6 tons of wheat per hectare. The bottom of the wheat field is 100 meters, what is its height?
一块三角形小麦地一共收小麦2.4吨，每公顷收小麦6吨．小麦田的底是100米，它的高是多少米？
<gadget id="calculator">2.4 / 6</gadget>
<output>0.4</output>

<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">0.4 * 10_000 * (1/50)</gadget>
<output>80</output>

<result>80</result>