The quotient of dividing two integers is 12 and the remainder is 26. The sum of dividend, divisor, quotient and remainder is equal to 454. What is the divisor?
两个整数相除得商数是12和余数是26，被除数、除数、商数及余数的和等于454，除数是多少．
<gadget id="calculator">454 - 26 - 12 - 26</gadget>
<output>390</output>

<gadget id="calculator">12 + 1</gadget>
<output>13</output>

<gadget id="calculator">390 / 13</gadget>
<output>30</output>

<result>30</result>