In a subtraction formula, the sum of the minuend, the subtrahend, and the difference is 694, and the subtrahend is 4 more than 6 times the difference. What is the subtrahend?
在一个减法算式中，被减数、减数、差的和是694，减数比差的6倍多4，减数是多少．
<gadget id="calculator">694 - 4 - 4</gadget>
<output>686</output>

<gadget id="calculator">6 + 1 + 6 + 1</gadget>
<output>14</output>

<gadget id="calculator">686 / 14</gadget>
<output>49</output>

<gadget id="calculator">6 * 49</gadget>
<output>294</output>

<gadget id="calculator">294 + 4</gadget>
<output>298</output>

<result>298</result>