When a number is divided by 38, the quotient is 18 and the remainder is 9. What is the number?
一个数除以38，商是18，余数是9，这个数是多少．
<gadget id="calculator">38 * 18</gadget>
<output>684</output>

<gadget id="calculator">684 + 9</gadget>
<output>693</output>

<result>693</result>