proyecto-final-so How to use it Save n1 and n1 curl http://IP.nip.io/save/n1/88/n2/5 Return for example {"n1":"88","n2":"5","op":"1"}% Addition for n1 and n2 curl http://IP.nip.io/process/op/1 Return the addition on n1 field {"n1":"93","n2":"-1","op":"1"}%