There are 120 students in the sixth grade of Xinhua Primary School, the number of students in the fifth grade is the sixth grade (4/5), and the ratio of the number of students in the fourth grade to the fifth grade is 3:2. How many people are there in the fourth grade?
新华小学六年级有学生120人，五年级人数是六年级的(4/5)，四年级与五年级人数的比是3：2．四年级有多少人？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">120 * (4/5) * (3/2)</gadget>
<output>144</output>

<result>144</result>