267782748392847363265362773+36374674837374736483837438

To perform the addition of the two large numbers you provided, we can line them up and add them together:

      267782748392847363265362773
+   036374674837374736483837438
--------------------------------
    267782748429520420064290211

So, \( 267782748392847363265362773 + 36374674837374736483837438 = 267782748429520420064290211 \).