A triangular piece of land has an area of 0.56 hectares and a base of 140 meters. What is the height in meters?
一块三角形的地，面积是0.56公顷，底是140米，高是多少米？
<gadget id="calculator">0.56 * 10_000</gadget>
<output>5_600</output>

<gadget id="calculator">2 / 140</gadget>
<output>1/70 = around 0.014286</output>

<gadget id="calculator">5_600 * (1/70)</gadget>
<output>80</output>

<result>80</result>