Xiao Hui is 8 years old this year, and his uncle is four times as old as Xiao Hui. Two years ago, uncle's age was how many times that of Xiao Hui's?
小灰今年8岁，叔叔的年龄是小灰的4倍．两年前叔叔的年龄是小灰的多少倍？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">32 - 2</gadget>
<output>30</output>

<gadget id="calculator">8 - 2</gadget>
<output>6</output>

<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<result>5</result>