It is known that the sum of the minuend, the subtrahend and the difference is 796, and the minuend is more than 2 times the difference. What is the subtrahend?
已知被减数、减数与差的和是796，其中被减数比差的2倍还多2，求减数是多少？
<gadget id="calculator">796 - 2 - 2</gadget>
<output>792</output>

<gadget id="calculator">2 + 2</gadget>
<output>4</output>

<gadget id="calculator">792 / 4</gadget>
<output>198</output>

<gadget id="calculator">198 * 2</gadget>
<output>396</output>

<gadget id="calculator">2 - 198</gadget>
<output>-196</output>

<gadget id="calculator">396 + (-196)</gadget>
<output>200</output>

<result>200</result>