The working area of the combine harvester is 4 meters wide, and it advances 60 meters per minute. How many hectares of wheat can be harvested in one hour?
联合收割机的作业面宽4米，每分钟前进60米，一小时可收割小麦多少公顷？
<gadget id="calculator">60 / 10_000</gadget>
<output>3/500 = around 0.006</output>

<gadget id="calculator">60 * 4 * (3/500)</gadget>
<output>36/25 = around 1.44</output>

<result>36/25 = around 1.44</result>