The difference between the two numbers is 13.6. If the minuend is reduced by 1.6 and the subtrahend remains the same, what is the difference?
两数之差是13.6，如果被减数减少1.6，减数不变，差是多少
<gadget id="calculator">13.6 - 1.6</gadget>
<output>12</output>

<result>12</result>