It takes 24 days for A to complete a job alone, and 32 days for B to complete it alone. If A does a few days first and then B continues to do it, the total time is 26 days. How many days does A do?
一项工作，甲单独完成需要24天，乙单独完成需要32天，若甲先做做若干天然后乙接着做，则共用26天时间，那么甲做了多少天．
<gadget id="calculator">1 / 32</gadget>
<output>1/32 = around 0.03125</output>

<gadget id="calculator">(1/32) * 26</gadget>
<output>13/16 = around 0.8125</output>

<gadget id="calculator">1 - (13/16)</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(1/24) - (1/32)</gadget>
<output>1/96 = around 0.010417</output>

<gadget id="calculator">(3/16) / (1/96)</gadget>
<output>18</output>

<result>18</result>