Xiaoyun is 8 years old this year. Grandma said: "When you grow up to 12 years old, I will be 62 years old." How old is grandma this year?
小云今年8岁，奶奶说："你长到12岁的时候，我62岁．"奶奶今年多少岁？
<gadget id="calculator">62 - 12</gadget>
<output>50</output>

<gadget id="calculator">8 + 50</gadget>
<output>58</output>

<result>58</result>