piece of fabric can be used to make 8 sets of jackets and trousers. If the jacket is made alone, 12 pieces can be made, and how many pairs of trousers can be made alone.
一块布料，用来做上衣与裤子可以做8套，如果单独做上衣可以做12件，单独做裤子可以做多少条．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/8) - (1/12)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">1 / (1/24)</gadget>
<output>24</output>

<result>24</result>