The distance from the school cafeteria to the dormitory is 300 meters. Xiaojun, Xiaogang, and Xiaolin take turns to carry a bucket of water from the cafeteria to the dormitory.
学校食堂到宿舍相距300米，小军、小刚、小林三人轮流由两个人抬一桶水从食堂到宿舍，平均每人抬多少米．
<gadget id="calculator">300 / 3</gadget>
<output>100</output>

<gadget id="calculator">100 * 2</gadget>
<output>200</output>

<result>200</result>