There are 150 sixth grade students in a certain school, accounting for 20% of the total number of students in the school, and the number of fifth grade students accounts for 10% of the total number of students in the school. How many students are there in the fifth grade?
某校六年级学生人数为150人，占全校学生总数的20%，五年级学生人数占全校学生总数的10%，五年级有学生多少人？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">150 / (1/5)</gadget>
<output>750</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">750 * (1/10)</gadget>
<output>75</output>

<result>75</result>