The number of sixth graders is the fifth grade (4/5), the fifth grade is the fourth grade (10/9), the fourth grade is 360, how many sixth graders are there?
六年级人数是五年级的(4/5)，五年级人数是四年级的(10/9)，四年级有360人，六年级有多少人？
<gadget id="calculator">10 / 9</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">360 * (10/9) * (4/5)</gadget>
<output>320</output>

<result>320</result>