1. The problem asks to calculate $9.035 - 6.144$. 2. To subtract these decimals, align the decimal points: $$\begin{array}{r} 9.035 \\ -6.144 \\ \hline \end{array}$$ 3. Subtract digit by digit from right to left: $$\begin{array}{r} 9.035 \\ -6.144 \\ \hline 2.891 \\ \end{array}$$ 4. So, the result of $9.035 - 6.144$ is $2.891$. This is a straightforward decimal subtraction where you subtract each digit in the hundredths, tenths, and units place accordingly. Final answer: $2.891$