The number A is 7 less than 8 times the number B. The number B is the smallest two-digit number. What is the number A?
甲数比乙数的8倍还少7，乙数是最小的两位数，甲数是多少
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">80 - 7</gadget>
<output>73</output>

<result>73</result>