Xiaogang walked 210 meters in 3 minutes. According to our speed, how many meters can he walk in 8 minutes.
小刚3分钟走了210米，照这们的速度，他8分钟能走多少米．
<gadget id="calculator">210 / 3</gadget>
<output>70</output>

<gadget id="calculator">70 * 8</gadget>
<output>560</output>

<result>560</result>