Team A and Team B jointly built a road. When the task was completed, Team A built the road (8/15). If it takes 24 days for Team B to complete it alone, how many days will Team A do it alone? (Qingshan District, Wuhan City)
甲和乙两队合修一条公路，完成任务时，甲队修了这条公路的(8/15)．如果乙队单独完成要24天，甲队单独做几天完成？(武汉市青山区)
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">1 - (8/15)</gadget>
<output>7/15 = around 0.466667</output>

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

<gadget id="calculator">(7/15) / (1/24)</gadget>
<output>56/5 = around 11.2</output>

<gadget id="calculator">(8/15) / (56/5)</gadget>
<output>1/21 = around 0.047619</output>

<gadget id="calculator">1 / (1/21)</gadget>
<output>21</output>

<result>21</result>