The school organized 96 students to rehearse gymnastics, of which the number of boys accounted for 1/4 of the total number, and later added several boys. At this time, the number of boys reaches (1/2) the number of girls, how many boys have been added?
学校组织96名同学排练体操，其中男生人数占总人数的(1/4)，后来增加了几名男生．这时男生人数达到女生人数的(1/2)，增加了几名男生？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">96 * (1/4)</gadget>
<output>24</output>

<gadget id="calculator">96 - 24</gadget>
<output>72</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">72 * (1/2)</gadget>
<output>36</output>

<gadget id="calculator">36 - 24</gadget>
<output>12</output>

<result>12</result>