The difference between two numbers is 13.6, if the minuend increases by 2.5. The subtrahend is reduced by 1.5, what is the difference.
两个数的差是13.6，如果被减数增加2.5．减数减少1.5，差是多少．
<gadget id="calculator">13.6 + 2.5 + 1.5</gadget>
<output>17.6</output>

<result>17.6</result>