The distance between A and B is 300 meters. A, B, and C take turns to carry water. They carry a bucket from A to B. How many meters do they carry on average?
A、B两地相距300米，甲、乙、丙三人轮流抬水，两人抬一桶由A到B，平均每人抬多少米．
<gadget id="calculator">300 * 2</gadget>
<output>600</output>

<gadget id="calculator">600 / 3</gadget>
<output>200</output>

<result>200</result>