Fraction question, please help.?

Question

I only need to know what kind of problem it is (e.g. add, multiply, subtract, divide)

Samuel wants to cover the top of a square table with a pattern made from assorted glass pieces. A bag of assortedglass contains 300 piecesSamuel has calculated that the shaded section of the tabletop, (really isn't but is) shown in the diagram at the right, will require three fourthes of one bag. How many bags of glass Samul need to fill in the rest of the tabletop. I figured out that the triangle shown on my paper can go into the diagram 7 more times. What kind of math should I use?

Answer 1

Both multiply and divide

Answer 2

um...division? I am not sure tho...