Hard Mathematics Expression Puzzle

Hard Mathematics Expression Puzzle Solution - 12 December

You are given with six numbers – 1, 2, 3, 4, 5 and 6. You can arrange them in any order and you can use all the four mathematics expression i.e. add, subtract, multiply and divide and also parenthesis. The result must be 278.

There are three other rules
1) You can only use a number once.
2) It is not compulsory to use all the six numbers.
3) You can't join numbers i.e. you can't use 1, 2 and 3 as 123.

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(1 + (3 + 4*5)*6)*2

There can be more than one possibilities.