125 is more than 075, so 125 mg is more than 075 mg.
.125 is bigger because the first number after the decimal is bigger.
125 + 125 + 125 + 125 + 125 + 125 =125 * 6 =(100 * 6) + (20 * 6) + (5 * 6) =600 + 120 + 30 =600 + 100 + 20 + 30 =700 + 50 =750
125 + 125 = 250
123 124 + 125 ------ 372
125 + 30 + 25 = 180
388 + 125 = 513
-5 + 125 = 120
125 + 95 = 220
125 + 50 = 175
125 + 55 = 180
2+5 = 7 7 + 125 = 132.