Kindergarten auntie, give some biscuits to the children. If less than 60 yuan is distributed to 7 children or 8 children on average, it is 1 yuan more. Think about how many biscuits there are?
幼儿园阿姨，发给小朋友一些饼干，不到60块平均分给7个小朋友或平均分给8个小朋友，都是多1块，想一想有多少块饼干？
<gadget id="calculator">7 * 8</gadget>
<output>56</output>

<gadget id="calculator">56 + 1</gadget>
<output>57</output>

<result>57</result>