The physical education teacher took the students to play a relay game. Xiaohui ran 300 meters, Xiaoxin ran Xiaohui's (9/10), Xiaojun ran Xiaoxin's (2/3), and the three students ran together. How much rice?
体育课老师带同学玩接力赛游戏，小辉跑了300米，小新跑了小辉的(9/10)，小军跑了小新的(2/3)，这三个同学共跑了多少米？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">300 * (9/10)</gadget>
<output>270</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">300 * (9/10) * (2/3)</gadget>
<output>180</output>

<gadget id="calculator">270 + 180 + 300</gadget>
<output>750</output>

<result>750</result>