Both the quotient and the divisor are 9, and the remainder is 3. What is the dividend?
商和除数都是9，余数是3，被除数是多少．
<gadget id="calculator">9 * 9</gadget>
<output>81</output>

<gadget id="calculator">81 + 3</gadget>
<output>84</output>

<result>84</result>