If the average age of four people is 29 and no one is older than 32, what is the possible age of the youngest person?
如果四个人的平均年龄是29岁，且没有大于32岁的，那么最小的人的年龄可能是多少岁？
<gadget id="calculator">29 * 4</gadget>
<output>116</output>

<gadget id="calculator">32 * 3</gadget>
<output>96</output>

<gadget id="calculator">116 - 96</gadget>
<output>20</output>

<result>20</result>