43215678+124668=43 340 346

It seems there is a mistake in the calculation you've provided. Let's break it down:

To add 43,215,678 and 124,668:

  43215678
+   124668
------------
  43340346

So, the sum of \( 43,215,678 + 124,668 \) is indeed \( 43,340,346 \).

Your statement is correct: \( 43215678 + 124668 = 43340346 \). If you need further assistance, feel free to ask!