The sum of the dividend, the divisor, and the remainder of the quotient is 217. It is known that the quotient is 12 and the remainder is 5. What is the dividend?
被除数、除数、商的余数之和为217，已知商是12，余数是5，那么被除数是多少．
<gadget id="calculator">217 - 5 - 12 - 5</gadget>
<output>195</output>

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

<gadget id="calculator">195 / 13</gadget>
<output>15</output>

<gadget id="calculator">12 * 15</gadget>
<output>180</output>

<gadget id="calculator">180 + 5</gadget>
<output>185</output>

<result>185</result>