The difference between two numbers is 28.6. If the minuend is decreased by 3.2 and the subtrahend is increased by 3.2, what is the difference?
两个数的差是28.6，如果被减数减少3.2，减数增加3.2，差是多少
<gadget id="calculator">3.2 + 3.2</gadget>
<output>6.4</output>

<gadget id="calculator">28.6 - 6.4</gadget>
<output>22.2</output>

<result>22.2</result>