There is a project that A alone needs 36 days, and B alone needs 48 days. Now A and B are doing it at the same time. During the working period, A rests for 3 days, and B rests for 4 days (the two do not rest at the same time). How many days did it take from the start of the project to the end of the project?
有一项工程，甲单独做需要36天，乙单独做需要48天，现在由甲乙二人同时做，在工作期间，甲休息了3天，乙休息了4天(两人不同时休息)，问从工程开始到工程结束一共用了多少天？
<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<gadget id="calculator">1 / 36</gadget>
<output>1/36 = around 0.027778</output>

<gadget id="calculator">(1/36) * 1</gadget>
<output>1/36 = around 0.027778</output>

<gadget id="calculator">1 - (1/36)</gadget>
<output>35/36 = around 0.972222</output>

<gadget id="calculator">1 / 48</gadget>
<output>1/48 = around 0.020833</output>

<gadget id="calculator">(1/36) + (1/48)</gadget>
<output>7/144 = around 0.048611</output>

<gadget id="calculator">(35/36) / (7/144)</gadget>
<output>20</output>

<gadget id="calculator">20 + 4</gadget>
<output>24</output>

<result>24</result>