There are two ropes, the first one is 13.25 meters long, the second one is 2.4 meters longer than the first one, how many meters are the two ropes in total?
有两根绳子，第一根长13.25米，第二根比第一根长2.4米，两根绳子一共长多少米？
<gadget id="calculator">13.25 + 2.4 + 13.25</gadget>
<output>28.9</output>

<result>28.9</result>