There are 196 apples on the table, 4 are taken away each time, and 16 are left after how many times they are taken away.
桌子上有196个苹果，每次拿走4个，拿走多少次后还剩下16个．
<gadget id="calculator">196 - 16</gadget>
<output>180</output>

<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<result>45</result>