Xiaoli has 12 pens, and Xiaohong's is Xiaoli's (3/4). Xiaohua's is 5 less than the total number of the two of them. How many pens does Xiaohua have?
小丽有12枝笔，小红的是小丽的(3/4)．小花的比她俩的总数少5枝，小花有多少枝笔？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 * (3/4)</gadget>
<output>9</output>

<gadget id="calculator">12 - 5</gadget>
<output>7</output>

<gadget id="calculator">9 + 7</gadget>
<output>16</output>

<result>16</result>