To complete a project alone, A needs 24 days and B needs 32 days. If A does it for a certain number of days and then B continues to do it, the total time is 26 days. Ask: How many days did A do it alone?
单独完成一件工程，甲需要24天，乙需要32天．若甲先做若干天以后乙接着做，则共用26天时间，问：甲独做了几天？
<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>