There are 195 students in the sixth grade of a certain school. 15% of the boys and 10 girls are selected to participate in the mathematics competition. The remaining number of boys is equal to the number of girls. Then, how many students in the sixth grade of this school participate in the mathematics competition?
某校六年级共有学生195人，从中选出男生的15%和10名女生参加数学竞赛，剩下的男生人数与女生人数相等，那么，该校六年级参加数学竞赛的学生有多少人？
<gadget id="calculator">195 - 10</gadget>
<output>185</output>

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 + (17/20)</gadget>
<output>37/20 = around 1.85</output>

<gadget id="calculator">185 / (37/20)</gadget>
<output>100</output>

<gadget id="calculator">100 * (3/20)</gadget>
<output>15</output>

<gadget id="calculator">15 + 10</gadget>
<output>25</output>

<result>25</result>