The teacher distributes some pencils to 7 children on average, each of them gets 7 pencils, and there is 1 pencil left. How many pencils does the teacher have in total?
老师把一些铅笔平均分给7个小朋友，每人分7枝，还剩1枝，老师手里一共有几枝铅笔？
<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<gadget id="calculator">49 + 1</gadget>
<output>50</output>

<result>50</result>