$\"\"$

The word $\"\"$ product $\"\"$ indicates multiplication operation and its symbol is $\"\"$ .

The word $\"\"$ is no less than $\"\"$ indicates is greater than or equal and its symbol is $\"\"$ .

The word $\"\"$ The product of a number b and 3 $\"\"$ indicates the expression is $\"\"$ .

The word $\"\"$ The product of a number b and 3 is no less than 12 $\"\"$ indicates the inequality is $\"\"$ . $\"\"$

The option D is correct answer.