In the 1500-meter race, Xiao Fei has already run (3/5). How many meters does he have to run to reach the finish line?
在1500米赛跑中，肖飞已经跑了(3/5)．他还要跑多少米才能到达终点？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1_500 * (3/5)</gadget>
<output>900</output>

<gadget id="calculator">1_500 - 900</gadget>
<output>600</output>

<result>600</result>