Xiaopang rides a bicycle at 350 meters per minute. 7 kilometers from home to school. How many minutes does it take him to ride the bike.
小胖骑自行车每分钟行350米．从家到学校7千米．他骑车需要多少分钟．
<gadget id="calculator">7 * 1_000</gadget>
<output>7_000</output>

<gadget id="calculator">7_000 / 350</gadget>
<output>20</output>

<result>20</result>