(202^2-54^2+256*352)/(4^4-10^2)
1. 202²=40804 2. 54²=2916 3. 256*352=90112 4.40804-2916=37888 5. 37888+ 90112=128000 6.4⁴=256 7. 10²=100 8. 256-100=156 9.128000/156=820.5