Both Xiaoli's brother and grandmother died at a very young age. The sum of their ages at death is 66 years. Xiaoli's elder brother died 93 years after their grandmother was born. How many years did Xiaoli's grandmother die, and her brother was born.
小丽的哥哥与祖母都在很年轻时就去世了．他们去世时的年龄之和是66岁．小丽的哥哥在他们的祖母诞生后93年去世．小丽的祖母去世多少年，她的哥哥出生．
<gadget id="calculator">93 - 66</gadget>
<output>27</output>

<result>27</result>