This would be 8000 because you would round down.
141 x 141 = 19,881
8000
10% of 8000= 10% * 8000= 0.1 * 8000= 800
8000
13% of 8000= 13% * 8000= 0.13 * 8000= 1,040
2% of 8000 = 2% * 8000 = 0.02 * 8000 = 160
20% of 8000 = 20% * 8000 = 0.2 * 8000 = 1600
58% of 8000= 58% * 8000= 0.58 * 8000= 4,640
5% of 141= 5% * 141= 0.05 * 141= 7.05
16% of 141 = 16% * 141 = 0.16 * 141 = 22.56
8000