$\"\"$

The symbol “ $\"\"$ ” represents the word “plus”.

The symbol “ $\"\"$ ” represents the word “minus”.

The symbol “ $\"\"$ ” represents the word “equals to”.

The word $\"\"$ represents "k squared".

$\"\"$ Represents “ the sum of $\"\"$ and 18 ”.

54 $\"\"$ m Represents “ the difference of 54 and m ”. $\"\"$

Rewrite the expression into verbal sentence as,

$\"\"$ . $\"\"$

The verbal sentence is "the sum of $\"\"$ and 18 equals to the difference of 54 and m.