There are 137 boys and 103 girls in the sixth grade. The number of the sixth grade just accounts for 2/13 of the total number of the whole school. How many people are there in the whole school?
六年级有男生137人，女生103人，六年级人数正好占全校总人数的(2/13)，全校共有多少人？
<gadget id="calculator">137 + 103</gadget>
<output>240</output>

<gadget id="calculator">2 / 13</gadget>
<output>2/13 = around 0.153846</output>

<gadget id="calculator">240 / (2/13)</gadget>
<output>1_560</output>

<result>1_560</result>