There are 128 girls in the sixth grade of Qingshan Primary School, which is (2/5) the number of students in the sixth grade, and the number of students in the sixth grade is (2/9) the number of students in the whole school. How many students are there in the whole school?
青山小学六年级有女生128人，是六年级学生人数的(2/5)，六年级的学生人数是全校学生人数的(2/9)，全校有学生多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">128 / (2/5) / (2/9)</gadget>
<output>1_440</output>

<result>1_440</result>