The divisor is 8, the quotient is 54, and the remainder is 7. What is the dividend?
除数是8，商是54，余数是7，则被除数是多少．
<gadget id="calculator">54 * 8</gadget>
<output>432</output>

<gadget id="calculator">432 + 7</gadget>
<output>439</output>

<result>439</result>