There are 64 girls participating in the mathematics interest group in the experimental primary school, and the number of boys is 28 times less than that of girls. How many people are there in the school mathematics interest group?
实验小学参加数学兴趣小组的女生有64人，男生的人数是女生的3倍少28人．学校数学兴趣小组共有多少人？
<gadget id="calculator">64 * 3</gadget>
<output>192</output>

<gadget id="calculator">192 - 28</gadget>
<output>164</output>

<gadget id="calculator">164 + 64</gadget>
<output>228</output>

<result>228</result>