In a rectangular test field with a length of 500 meters and a width of 300 meters, a total of 150 tons of wheat were harvested. How many tons of wheat were harvested on average per hectare?
一块长500米，宽300米的长方形试验田，一共收了150吨小麦，平均每公顷收了多少吨小麦？
<gadget id="calculator">300 / 10_000</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">500 * (3/100)</gadget>
<output>15</output>

<gadget id="calculator">150 / 15</gadget>
<output>10</output>

<result>10</result>