The number of fifth graders in Guangming Primary School is the sixth grade (2/3), and the number of sixth graders is (1/5) of the whole school. There are 810 students in the whole school. How many people are there in fifth grade?
光明小学五年级人数是六年级的(2/3)，六年级的人数是全校人数的(1/5)，全校有810人，五年级有多少人？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">810 * (1/5) * (2/3)</gadget>
<output>108</output>

<result>108</result>