By how much does the sum of $$15.453$$ and $$31.647$$ exceed the sum of $$18.47$$ and $$19.506$$?
Sum of $$\dfrac {\ \ \ \ 15.453\\ +31.647}{\underline{\ \ \ 47.100}}$$
Sum of $$\dfrac {\ \ \ \ 18.470\\ +19.506}{\underline{\ \ \ 37.976}}$$
Difference $$=\dfrac {\ \ \ \ 47.100\\ -37.976}{\underline{\ \ \ \ 9.124}}$$