1,8/2,5•2,4

Let's carefully evaluate the expression:

\[ 1.8 / 2.5 \times 2.4 \]

First, perform the division:

\[ 1.8 / 2.5 = 0.72 \]

Next, multiply by 2.4:

\[ 0.72 \times 2.4 = 1.728 \]

Final answer:

\[ \boxed{1.728} \]