why this program gives me (4=13) OUTPUT i don't know if you know then explain...🙂

Question

https://code.sololearn.com/cpYur5aP5C8y/?ref=app

Answer 1

1+3+"="+1+3
after string "=" the plus sign will be used as + (String concatenation) operator, The rest will be considered as string

Answer 2

happy to know this....Thank you :)