Dongdong is 6 years old this year, and his father is 30 years old this year. 2 years later, how many times the age of the father is Dongdong's age.
冬冬今年6岁，爸爸今年30岁．2年后爸爸的年龄是冬冬年龄的多少倍．
<gadget id="calculator">30 + 2</gadget>
<output>32</output>

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

<gadget id="calculator">32 / 8</gadget>
<output>4</output>

<result>4</result>