The expression is
(Substitute in original expression)
(Multiply: )
The value of the expression is 2.4
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d6579a7d0170c95c1012c8d918f41e35.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7dfb3379a4e457a4285dd48fb428ae3b.png\")
(Substitute ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=92531a0c41b7efbed311cc28e74d2cae.png\")
in original expression)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=24edcc6e53df5490c78f300331bbce71.png\")
(Multiply: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b6d8b0fcb35ec6beb5938b1cab9dac20.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")