There are 28 girls in the school dance interest group, 2 times less than boys. How many boys are there in the school dance interest group? (solution with equation)
学校舞蹈兴趣小组女生有28人，比男生的2倍少2人，学校舞蹈兴趣小组男生有多少人？(用方程解答)
<gadget id="calculator">28 + 2</gadget>
<output>30</output>

<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<result>15</result>