There are 25 basketballs in the school sports room, more volleyballs than basketballs (1/5), fewer footballs than volleyballs (1/3), how many footballs are there?
学校体育室有篮球25个，排球个数比篮球多(1/5)，足球比排球少(1/3)，足球有多少个？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">25 * (6/5) * (2/3)</gadget>
<output>20</output>

<result>20</result>