The quotient of dividing two numbers is 7, the sum of the dividend, the divisor and the quotient is 327, what is the dividend?
两个数相除的商是7，被除数、除数、商的和是327，被除数是多少．
<gadget id="calculator">327 - 7</gadget>
<output>320</output>

<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<gadget id="calculator">320 / 8</gadget>
<output>40</output>

<gadget id="calculator">40 * 7</gadget>
<output>280</output>

<result>280</result>