The difference between two numbers is 4.1. If the minuend increases by 0.2 and the subtrahend remains the same, what is the difference?
两个数的差是4.1，如果被减数增加0.2，减数不变，差是多少．
<gadget id="calculator">4.1 + 0.2</gadget>
<output>4.3</output>

<result>4.3</result>