The area of a triangle is 1.5 hectares, the base length is 200 meters, how many meters is the height?
一块三角形的面积是1.5公顷，底长200米，高有多少米？
<gadget id="calculator">1.5 * 10_000</gadget>
<output>15_000</output>

<gadget id="calculator">2 / 200</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">15_000 * (1/100)</gadget>
<output>150</output>

<result>150</result>