When adding two decimals, one addend is decreased by 3.4 and the other is increased by 2.95, what is the sum
两个小数相加，一个加数减少3.4，另一个加数增加2.95，和多少
<gadget id="calculator">3.4 - 2.95</gadget>
<output>0.45</output>

<result>0.45</result>