The 6th Sports Culture Festival of our school is coming soon. We need to prepare 1,500 number cloths for athletes. We already have (5/6) number cloths. How many number cloths do we need to order?
我校第六届体育文化节快要来到了，需要准备1500张运动员的号码布，现在已经有(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">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1_500 * (1/6)</gadget>
<output>250</output>

<result>250</result>