There are 146 boys and 94 girls in the sixth grade of the independent store. The number of fourth grade students is 15 less than the number of sixth grade students (7/8). How many students are there in the fourth grade?
独店中小六年级有男生146人，女生94人，四年级学生人数比六年级人数的(7/8)还少15人，四年级有学生多少人？
<gadget id="calculator">146 + 94</gadget>
<output>240</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">240 * (7/8)</gadget>
<output>210</output>

<gadget id="calculator">210 - 15</gadget>
<output>195</output>

<result>195</result>