There is a box of cartoon books, if you distribute it to 6 children on average, you will get 1 more book; if you share it to 8 children on average, you will get 1 more book; How many copies?
有一箱卡通书，把它平均分给6个小朋友，多出1本；平均分给8个小朋友，也多出1本；平均分给9个小朋友，还是多1本，这箱卡通书最少有多少本？
<gadget id="calculator">2 * 2 * 2 * 3 * 3</gadget>
<output>72</output>

<gadget id="calculator">72 + 1</gadget>
<output>73</output>

<result>73</result>