There are 38 yellow balloons and 25 red balloons in the shop, and the number of flower balloons is 9 fewer than twice the total number of red balloons and yellow balloons. How many flower balloons are there?
商店有黄气球38人，红气球25个，花气球的个数比红气球和黄气球总数的2倍少9个．花气球有多少个？
<gadget id="calculator">38 + 25</gadget>
<output>63</output>

<gadget id="calculator">63 * 2</gadget>
<output>126</output>

<gadget id="calculator">126 - 9</gadget>
<output>117</output>

<result>117</result>