Xiao Li has 24 books, and Xiao Wang has 53 books. If Xiao Wang has 6 times as many books as Xiao Li, how many books should Xiao Li give to Xiao Wang?
小李有书24本，小王有书53本，要使小王的书是小李的6倍，小李应该要给小王多少本书？
<gadget id="calculator">24 * 6</gadget>
<output>144</output>

<gadget id="calculator">144 - 53</gadget>
<output>91</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">91 / 7</gadget>
<output>13</output>

<result>13</result>