Grandpa Xiaojun was born in 29 times of his age when he died. Grandpa Xiaojun hosted an academic conference in 1955 and asked him how old he was at that time?
小军爷爷出生的年份数是他逝世时年龄的29倍，小军爷爷在1955年主持过一次学术会议，问小军爷爷当时的年龄多大？
<gadget id="calculator">1_955 - 1_914</gadget>
<output>41</output>

<result>41</result>