Zheshang Primary School used to have a 5:7 ratio of sixth graders in the new and old campuses. This semester, 30 students from the old school will go to the new school, and 6 students from the new school will transfer to the old school. In this way, the number of sixth graders in the new school will be the same as that of the old school. (4/5) of the number of sixth graders in the school. How many sixth graders are there in the new campus now?
哲商小学原来新、老两个校区六年级人数的比是5：7，这学期老校有30人去新校，新校有6人转到老校，这样新校六年级的人数是老校六年级人数的(4/5)．现在新校区六年级学生有多少人？
<gadget id="calculator">30 - 6</gadget>
<output>24</output>

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

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

<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(7/12) - (5/9)</gadget>
<output>1/36 = around 0.027778</output>

<gadget id="calculator">24 / (1/36)</gadget>
<output>864</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">864 * (4/9)</gadget>
<output>384</output>

<result>384</result>