Xiaoming, Xiaolin, and Xiaogang have a ratio of stamps of 7:4:1. Xiaoming gave Xiaogang 24 stamps, and Xiaolin also gave Xiaogang some stamps. At this time, the ratio of stamps among the three is 8: 3:5, how many stamps did Kobayashi give to Xiaogang?
小明、小林、小刚三人的邮票张数比为7：4：1，小明赠送给小刚24张邮票，小林也赠送给小刚一些邮票，这时三人的邮票张数比为8：3：5，小林赠送给小刚多少张邮票？
<gadget id="calculator">7 + 4 + 1</gadget>
<output>12</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">8 + 3 + 5</gadget>
<output>16</output>

<gadget id="calculator">8 / 16</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(7/12) - (1/2)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">24 / (1/12)</gadget>
<output>288</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">288 * (1/3)</gadget>
<output>96</output>

<gadget id="calculator">3 / 16</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">288 * (3/16)</gadget>
<output>54</output>

<gadget id="calculator">96 - 54</gadget>
<output>42</output>

<result>42</result>