A triangular paddy field covers an area of 1.2 hectares, the bottom is 400 meters, how many meters is the height?
一块三角形水田占地1.2公顷，底是400米，高是多少米？
<gadget id="calculator">1.2 * 10_000</gadget>
<output>12_000</output>

<gadget id="calculator">2 / 400</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">12_000 * (1/200)</gadget>
<output>60</output>

<result>60</result>