There are 324 students in the six-year group. The number of people in the five-year group is that of the six-year group (11/12), and that of the four-year group is that of the five-year group (8/9). How many students are there in the four-year group?
六年组共有学生324人．五年组的人数是六年组的(11/12)，四年组是五年组的(8/9)．四年组有学生多少人？
<gadget id="calculator">11 / 12</gadget>
<output>11/12 = around 0.916667</output>

<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">324 * (11/12) * (8/9)</gadget>
<output>264</output>

<result>264</result>