The sum of the minuend, the subtrahend and the difference is 14, the difference is 2, what is the subtrahend.
被减数、减数与差的和是14，差是2，减数是多少．
<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 - 2</gadget>
<output>5</output>

<result>5</result>