The ratio of the number of boys to girls in the third class of the sixth year is 3:4, and there are 24 girls. How many people are there in this class?
六年三班男生和女生人数的比是3：4，女生24人，这个班有多少人．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">24 * (3/4)</gadget>
<output>18</output>

<gadget id="calculator">24 + 18</gadget>
<output>42</output>

<result>42</result>