Two ropes, each 2 meters long, if they are connected together, the length of the joint is 0.06 meters, how long is the connected rope?
两根绳子，每根绳子长2米，如果把它们接在一起，接头处长0.06米，接好的绳子长多少米？
<gadget id="calculator">2 - 0.06</gadget>
<output>1.94</output>

<gadget id="calculator">2 + 1.94</gadget>
<output>3.94</output>

<result>3.94</result>