A new batch of children's books arrived in the bookstore, sold (2/5) of the total number on the first day, and 36 books were sold on the second day. At this time, more (2/3) were sold than the rest. Ask the total number of books sold How many copies did you have?
书店新到一批儿童读物，第一天卖出总数的(2/5)，第二天卖出了36本，这时卖出的比剩下的多(2/3)，问一共卖出了多少本？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(5/8) - (2/5)</gadget>
<output>9/40 = around 0.225</output>

<gadget id="calculator">36 / (9/40)</gadget>
<output>160</output>

<gadget id="calculator">160 * (2/5)</gadget>
<output>64</output>

<gadget id="calculator">64 + 36</gadget>
<output>100</output>

<result>100</result>