Xiao Ming tied up newspapers with two ropes of 2.27 meters and 1.35 meters in length. There is 0.25 meters of common rope at the interface. How long is the rope after it is connected?
小明用两条长度分别是2.27米、1.35米的绳子接起来捆扎报纸．接口处共用去绳子0.25米，接好后的绳子有多长？
<gadget id="calculator">1.35 - 0.25</gadget>
<output>1.1</output>

<gadget id="calculator">2.27 + 1.1</gadget>
<output>3.37</output>

<result>3.37</result>