The average of eight different non-zero natural numbers is equal to 10. Among these eight numbers, how much can the largest one be as large as possible.
八个不同的非0自然数的平均数等于10，这八个数字中，最大的一个尽可能大可以是多少．
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">80 - 1 - 2 - 3 - 4 - 5 - 6 - 7</gadget>
<output>52</output>

<result>52</result>