The total length of a road is 1200 meters, if (3/5) of the total length has been repaired, how many meters have been repaired?
一条路全长1200米，已经修了全长的(3/5)，则已经修了多少米．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1_200 * (3/5)</gadget>
<output>720</output>

<result>720</result>