Grandpa used two ropes with lengths of 1.55 meters and 1.46 meters to bind newspapers together, and used 0.18 meters of rope at the interface. How long is the rope after it is connected?
爷爷用两条长度分别是1.55米，1.46米的绳子接起来捆扎报纸，接口处用去绳子0.18米，接好后的绳子有多长？
<gadget id="calculator">1.46 - 0.18</gadget>
<output>1.28</output>

<gadget id="calculator">1.55 + 1.28</gadget>
<output>2.83</output>

<result>2.83</result>