A field is triangular in shape, with an area of 0.25 hectares, and its base length is 125 meters. What is the height of the field in meters?
一块田的形状是三角形，面积是0.25公顷，量得他的底长是125米，这块田的高是多少米．
<gadget id="calculator">0.25 * 10_000</gadget>
<output>2_500</output>

<gadget id="calculator">2 / 125</gadget>
<output>2/125 = around 0.016</output>

<gadget id="calculator">2_500 * (2/125)</gadget>
<output>40</output>

<result>40</result>