In the triangle \( A B, B C, C A \) are extended such that \( B^{\prime}, C^{\prime} \& A^{\prime} \) and area of \( \triangle A B C=1 \) unit. Such that \( A A^{\prime}=2 A B, B B^{\prime}=2 B C, C C^{\prime}=3 A C \) then area of \( \triangle A^{\prime} B^{\prime} C^{\prime} \)