When two numbers are divided, the quotient is 7, and the divisor is 9. When the remainder is the largest, what is the dividend.
两个数相除，商7，除数是9，当余数最大时，被除数是多少．
<gadget id="calculator">9 * 7</gadget>
<output>63</output>

<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">63 + 8</gadget>
<output>71</output>

<result>71</result>