There are two kinds of table tennis balls, yellow and white, in the box. There are 2 more yellow balls than 3 times the number of white balls. Take out 7 white balls and 14 yellow balls from the box each time. After several times, there are still 40 yellow balls left in the box. Ball, 1 white ball, then how many more yellow balls than white balls in the box.
箱子里有黄、白两种乒乓球，黄球比白球的3倍多2只，每次从箱子中取出7只白球，14只黄球，如果经过若干次后，箱子中还剩40只黄球、1只白球，那么箱中原来黄球比白球多多少只．
<gadget id="calculator">3 * 36</gadget>
<output>108</output>

<gadget id="calculator">2 - 36</gadget>
<output>-34</output>

<gadget id="calculator">108 + (-34)</gadget>
<output>74</output>

<result>74</result>