The ages of Xiaoling and Xiaoming this year are both prime numbers, and the sum of 3 times of Xiaoling's age and 2 times of Xiaoming's age is exactly the age of grandpa. Grandpa is 67 years old this year. What is the sum of the ages of Xiaoling and Xiaoming?
小玲和小明今年的年龄刚好都是质数，并且小玲年龄的3倍与小明年龄的2倍的和正好是爷爷的岁数，爷爷今年67岁，请问小玲和小明的岁数和是多少？
<gadget id="calculator">67 + 5</gadget>
<output>72</output>

<gadget id="calculator">72 / 3</gadget>
<output>24</output>

<result>24</result>