There are 120 boys in grade six, and girls are boys (7/8). The number of grade six accounts for 1/4 of the whole school. How many students are there in the school?
六年级男生有120人，女生是男生的(7/8)，六年级人数占全校人数的(1/4)，全校有学生多少人？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">120 * (7/8)</gadget>
<output>105</output>

<gadget id="calculator">105 + 120</gadget>
<output>225</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">225 / (1/4)</gadget>
<output>900</output>

<result>900</result>