Xiaohua is 12 years old this year, and his grandma is 6 times older than him and 3 years old. How old is grandma?
小华今年12岁，奶奶的年龄比他的6倍多3岁，奶奶今年多少岁？
<gadget id="calculator">12 * 6</gadget>
<output>72</output>

<gadget id="calculator">72 + 3</gadget>
<output>75</output>

<result>75</result>