Girls accounted for (7/12) of the fifth grade students in a certain elementary school, and 15 girls were transferred later. At this time, girls accounted for 60% of the total number of fifth grade students. How many students were there in the fifth grade?
某小学五年级学生中女生占(7/12)，后来又转来15名女生，这时女生占五年级总人数的60%，五年级原来有多少人？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">12 - 7</gadget>
<output>5</output>

<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">(3/2) - (7/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">15 / (1/10)</gadget>
<output>150</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 - (7/12)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">150 / (5/12)</gadget>
<output>360</output>

<result>360</result>