There are 65 people in class 53, and boys account for 3/5 of the whole class, so how many boys are there in class 53?
五3班有65人，其中男生是全班人数的(3/5)，则五3有男生多少人？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">65 * (3/5)</gadget>
<output>39</output>

<result>39</result>