In the school sports meeting, athletes need 720 number cloths, and there are already (5/6) number cloths in the storage room. How many number cloths do you need to order?
在校运会中，运动员需要720张的号码布，保管室里已经有(5/6)的号码布，还要定做多少张号码布才够用？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">720 * (5/6)</gadget>
<output>600</output>

<gadget id="calculator">720 - 600</gadget>
<output>120</output>

<result>120</result>