There are 450 boys in an elementary school, and the number of boys accounts for 5/9 of the whole school. How many people are there in the whole school?
某小学共有男生450人，男生人数占全校人数的(5/9)，全校共有多少人？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">450 / (5/9)</gadget>
<output>810</output>

<result>810</result>