There are 5 people in Xiaoxin's family, namely: grandpa, grandma, father, mother and Xiaoxin. This year, the grandfather is 75 years old, the grandmother is 26 years older than the average age of the five people, the father is 34 years old, the mother is 13 years younger than the average age of the five people, and Xiaoxin is 21 years younger than the mother. Based on the above information, please find out how old Xiaoxin's father was when he was born.
小新家有5口人，分别是：爷爷、奶奶、爸爸、妈妈还有小新．今年，爷爷75岁，奶奶比5人的平均年龄大26岁，爸爸34岁，妈妈比5人的平均年龄小13岁，小新又比妈妈小21岁．请你根据以上的信息，求出小新刚出生时爸爸多少岁．
<gadget id="calculator">34 - 13 - 13 - 21</gadget>
<output>-13</output>

<gadget id="calculator">75 + 26 + (-13)</gadget>
<output>88</output>

<gadget id="calculator">5 - 1 - 1 - 1</gadget>
<output>2</output>

<gadget id="calculator">88 / 2</gadget>
<output>44</output>

<gadget id="calculator">44 - 13 - 21</gadget>
<output>10</output>

<gadget id="calculator">34 - 10</gadget>
<output>24</output>

<result>24</result>