Ordered: Tegretol 150 mg po BID

Question

Supplied: Tegretol 20 mg / tablet

1. How many tablets would you administer per dose?

2. How tablets would you administer per 24 hours?

1. 150/20 x 1
= 7.5 tablets per dose

2. 150mg/2 = x/24
=1,800 tablets ?

I am very confused on second question.