There are 28 boys in the sixth grade of Chaoyang Primary School, and 3/4 of the girls (3/4). How many sixth graders are there in this school?
朝阳小学六年级男生有28人，女生人数是男生的(3/4)，这个学校六年级有多少人？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">28 * (3/4)</gadget>
<output>21</output>

<gadget id="calculator">21 + 28</gadget>
<output>49</output>

<result>49</result>