bucket of water needs 2 people to carry it together. 3 people carry a bucket of water home from a place 600 meters away from home, how many meters does each person have to carry on average?
一桶水，需2人一起抬．3人把一桶水从离家600米远的地方抬回家，平均每人要抬多少米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">600 * (2/3)</gadget>
<output>400</output>

<result>400</result>