When a number is divided by 6, the quotient is 102 and the remainder is 3. What is this number?
一个数除以6，商是102，余数是3，这个数是多少？
<gadget id="calculator">102 * 6</gadget>
<output>612</output>

<gadget id="calculator">612 + 3</gadget>
<output>615</output>

<result>615</result>