It takes about 2 minutes for a toy car to run 12 meters, how many minutes does it take to run a circle on a circular track with a radius of 60 meters at this speed.
一辆玩具车跑12米大约需要2分钟，则用这样的速度在一个半径为60米的圆形跑道上跑一圈需要多少分钟．
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3.14 * 60 * (1/3)</gadget>
<output>62.8</output>

<result>62.8</result>