In a subtraction formula, the sum of the minuend, the subtrahend, and the difference is 29.4, so what is the minuend
在一个减法算式里，被减数、减数、差相加的和是29.4，那么被减数是多少
<gadget id="calculator">29.4 / 2</gadget>
<output>14.7</output>

<result>14.7</result>