There are 40 basketballs in the sports room, which is 25% more than volleyballs. How many volleyballs are there?
体育室中有篮球40个，比排球多25%，有排球多少个．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">40 / (5/4)</gadget>
<output>32</output>

<result>32</result>