Expand and simplify: (3 \((3 \sqrt{2} + 2 \sqrt{7} )( 5 \sqrt{2} + 3 \sqrt{7} )\)
Expand and simplify: (3 \((3 \sqrt{2} + 2 \sqrt{7} )( 5 \sqrt{2} + 3 \sqrt{7} )\)