Like Earth, the moon A rotates and waxes
B goes through a cycle of phases
Crevolves and rotates
O
Dwaxes and wanes.

So what you would do is go through and add 3 teaspoons(tsp) 6 times because of the 6 tablespoons(tbsp). which will give you an answer of 18. another way is to multiply 3x6=18.

It is a body of knowledge gained  using  inquiry and experimentation 

Sorry im just trying to get answers like you are 

Is there a c and d?