Aunt Wang distributed some animal cards to 35 children, with an average of 8 per person. Some other children came, and everyone redistributed them. On average, each person only got 5. How many more children came.
王阿姨将一些动物卡片分给35个小朋友，平均每人分到8张，又来了一些小朋友，大家重新分配，平均每人只分到了5张，又来了多少个小朋友．
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">35 * (8/5)</gadget>
<output>56</output>

<gadget id="calculator">56 - 35</gadget>
<output>21</output>

<result>21</result>