There are 3 more boys than girls in class 51, and boys account for 8/15 of the whole class. How many people are there in this class?
五1班男生比女生多3人，其中男生占全班人数的(8/15)，这个班共有多少人
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">1 - (8/15)</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">(8/15) - (7/15)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">3 / (1/15)</gadget>
<output>45</output>

<result>45</result>