0.0027
1250
0.0192
1250 + 8% = 1250 + 100 = 1350 or 1250 + 8%.
Since 250 is a scalar value you just divide the numbers: 1/5 divided by 250 = 1/(5*250) = 1/1250, then put back the "tons" and you get 1/1250 tons.
125
4.224
39.0625
0.0027
66400000
312.5
1250
31.25
0.0024
178.5714
1250
625