2.19 + 6.48 + 0.51-1.38-5.48-0.62

2.19 + 6.48 + 0.51-1.38-5.48-0.62

Original formula = 2.19 + 0.51 + 6.48-5.48 - (1.38 + 0.62)
=2.7+1-2
=1.7