The difference between the two numbers is 14.5. If the minuend increases by 3 and the subtrahend decreases by 3, what is the difference now?
两个数的差是14.5，如果被减数增加3，减数减少3现在的差是多少．
<gadget id="calculator">3 + 3</gadget>
<output>6</output>

<gadget id="calculator">14.5 + 6</gadget>
<output>20.5</output>

<result>20.5</result>