There are 45 students in Class 6 and 2, and the number of boys accounts for 8/7 of the number of girls. How many boys are there?
六二班有45人，男生人数占女生人数的(8/7)，男生有多少人．
<gadget id="calculator">8 / 7</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">1 + (8/7)</gadget>
<output>15/7 = around 2.142857</output>

<gadget id="calculator">45 / (15/7)</gadget>
<output>21</output>

<gadget id="calculator">45 - 21</gadget>
<output>24</output>

<result>24</result>