1,27•31-18,07=

To solve the expression \(1.27 \times 31 - 18.07\), first calculate the multiplication:

\[ 1.27 \times 31 = 39.37 \]

Next, subtract \(18.07\) from \(39.37\):

\[ 39.37 - 18.07 = 21.30 \]

Therefore, the result of the expression \(1.27 \times 31 - 18.07\) is \(21.30\).