The road construction team can repair a road, if it repairs 200 meters every day, it can be completed in 15 days. If it is required to complete the repair in 10 days, how many meters need to be repaired every day?
修路队修一条路，如果每天修200米，15天可以修完．如果要求10天修完，那么每天需要多修多少米？
<gadget id="calculator">15 / 10</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">200 * (3/2)</gadget>
<output>300</output>

<gadget id="calculator">300 - 200</gadget>
<output>100</output>

<result>100</result>