Yang Yang has already eaten a pizza (1/9), and decides to distribute the rest to her 4 children equally. May I ask: How much of this pizza can each child get.
扬扬已经吃了一个披萨的(1/9)，并决定将剩余的平均分给她的4位小朋友，请问：每个小朋友能分到这个披萨的多少．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">(8/9) / 4</gadget>
<output>2/9 = around 0.222222</output>

<result>2/9 = around 0.222222</result>