The number of students in the sixth grade of modern primary schools accounts for (1/4) of the whole school, and the number of students in the fifth grade accounts for (1/6) of the whole school. It is known that there are 210 students in the sixth grade, and how many students are there in the fifth grade?
现代小学六年级学生人数占全校人数的(1/4)，五年级学生人数占全校的(1/6)，已知六年级有学生210人，五年级有学生多少人？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">210 / (1/4)</gadget>
<output>840</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">840 * (1/6)</gadget>
<output>140</output>

<result>140</result>