In a division formula, the sum of the divisor and the quotient is 48. It is known that the dividend is 15 times the divisor. What is the dividend?
在一个除法算式中，除数与商的和是48，已知被除数是除数的15倍，被除数是多少．
<gadget id="calculator">48 - 15</gadget>
<output>33</output>

<gadget id="calculator">33 * 15</gadget>
<output>495</output>

<result>495</result>