Calculate:  $$\left( 1+0.23+0.34 \right)\times \left( 0.23+0.34+0.65 \right)-\left( 1+0.23+0.34+0.65 \right)\times \left( 0.23+0.34 \right)$$ 
Overseas Competition->Knowledge Point->Calculation Modules->Decimals->Multiplication and Division of Decimals->Multiplication of Decimals