There are 24 girls in the first class of six years, accounting for 3/7 of the whole class. 25% of the boys have achieved excellent sports performance. How many boys have excellent sports performance?
六年一班有女生24人，占全班人数的(3/7)，男生中的25%体育成绩达到了优秀，体育成绩达到优秀的男生是多少人？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">24 / (3/7)</gadget>
<output>56</output>

<gadget id="calculator">56 - 24</gadget>
<output>32</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">32 * (1/4)</gadget>
<output>8</output>

<result>8</result>