Uncle Li walked 600 steps along the outermost side of a rectangular rice field, and his average step length was 0.6 meters. The length of the field is twice the width, if 8 tons of rice are harvested per hectare. How many tons of rice are harvested in this field?
李大伯沿一块长方形水稻田最外边走一圈，走了600步，他平均一步长0.6米．田的长是宽的2倍，如果每公顷收水稻8吨．这块田一共收水稻多少吨？
<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">0.6 / 2 / 3</gadget>
<output>0.1</output>

<gadget id="calculator">2 / 10_000</gadget>
<output>1/5_000 = around 0.0002</output>

<gadget id="calculator">600 * 0.1 * 600 * 0.1 * (1/5_000) * 8</gadget>
<output>5.76</output>

<result>5.76</result>