Apparently this is loss but I don't see it. The OP said I had to think outside the box. Some people found it but I still can't. Any help?

Wait,aren't they brownies??

Petah?

Help me petah

Wtf?

Another joke I don't get. What do math problems have to do with this?

???????

I dont understand monster coorperation or what /s

Petah!!! I don't get it

Peetah please

I don’t get it.