Using the LUX math:
The 60w equivalent cfl makes about 840 lumens according to HomeDepot
The 150w equivalent cfl makes about 2,800 lumens according to HomeDepot
9 x 2,800 lumens = 25,200 lumens
27 x 840 lumens = 22,680 lumens
Total 47,880 lumens.
Your shop is 13x21 = 273 sq ft.
273 sqt...