Divide a three-digit number by a two-digit number, the quotient is 7, and the remainder is 64. What is the smallest divisor of this division formula?
三位数除以两位数，商是7，余数是64，这个除法算式的除数最小是多少
<gadget id="calculator">64 + 1</gadget>
<output>65</output>

<result>65</result>