A triangular paddy field covers an area of 8 hectares. One of its right-angled sides is 800 meters long. How long is the other right-angled side in meters?
一块三角形的稻田占地8公顷，它的一条直角边长800米，另一条直角边长多少米？
<gadget id="calculator">8 * 10_000</gadget>
<output>80_000</output>

<gadget id="calculator">2 / 800</gadget>
<output>1/400 = around 0.0025</output>

<gadget id="calculator">80_000 * (1/400)</gadget>
<output>200</output>

<result>200</result>