The number A is 7 times more than 8 times the number B. The number B is the largest single digit. What is the number A?
甲数比乙数的8倍还多7，乙数是最大的一位数，甲数是多少
<gadget id="calculator">9 * 8</gadget>
<output>72</output>

<gadget id="calculator">72 + 7</gadget>
<output>79</output>

<result>79</result>