The ratio of the number of books between Liu Ming and Xiaoqiang is 5:4, Liu Ming bought 24 more, Xiaoqiang lost 6, and now the ratio of books between the two is 2:1, so how many books did Liu Ming originally have?
刘明和小强原有书的数量之比为5：4，刘明又买来24本，小强丢了6本，现在两人的书之比为2：1，那么刘明原来有书多少本？
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">24 + 12</gadget>
<output>36</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) * 2</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(8/5) - 1</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">36 / (3/5)</gadget>
<output>60</output>

<result>60</result>