[tex]5 + 2 \times (47.45 - 0.3 \times (4.2 + 4 \times (21.5 - 5.658 + 4.6)))[/tex]
[tex]5 + 2 \times (47.45 - 0.3(4.2 + 4(21.5 - 1.23))[/tex]
[tex]5 + 2(47.45 - 0.3(4.2 + 4 \times 20.27))[/tex]
[tex]5 + 2(47.45 - 0.3(4.2 + 81.08))[/tex]
[tex]5 + 2(47.45 - 0.3 \times 85.28)[/tex]
[tex]5 + 2(47.45 - 25.584)[/tex]
[tex]5 + 2 \times 21.866[/tex]
[tex]5 + 43.732[/tex]
[tex] = 48.732[/tex]