I'm not an expert on extract brewing, but here's the numbers I came up with.
1.5 lbs steeping grains @ 30 points per pound = 45 gravity points (this might be generous)
6.6 lbs LME @ 34 points per pound = 224.4 points
2 lbs DME @ 45 points/ lb = 90 points
Total of 359.4 gravity points / 6...