The sum of the ages of the father and his two sons this year is 88 years old. After 10 years, the age of the father is exactly equal to the sum of the ages of the two sons. How old is the father this year?
今年父亲与两个儿子的年龄和相加得88岁，10年后，父亲的年龄正好等于两个儿子的年龄和，父亲今年有多少岁．
<gadget id="calculator">88 + 10</gadget>
<output>98</output>

<gadget id="calculator">98 / 2</gadget>
<output>49</output>

<result>49</result>