A Jian took a lot of photos during his summer vacation. After he came back, he made a photo album as a commemoration. He chose two of his favorite photos as the back cover and the front cover respectively. The remaining 16 pages contained 4 photos on each page. How many photos did you take?
阿建暑假旅游时拍了许多照片，回来后字制作了相册以作纪念，他分别选了最喜爱的2张照片做封底、封面，其余16页，每页夹4张照片，阿建暑假共拍了几张照片？
<gadget id="calculator">16 * 4</gadget>
<output>64</output>

<gadget id="calculator">64 + 2</gadget>
<output>66</output>

<result>66</result>