(30795:5+87831:9-27895:7)*4=
1. 30795:5=6159 2. 87831:9=9759 3. 27895:7=3985 4. 6159+9759=15918 5. 15918-3985=11933 6. 11933*4=47732 (30795:5+87831:9-27895:7)*4=47732