540:7+36:(94)+12*(2:1)

First, let's solve the operations in parentheses:

9*4 = 36

Next, let's solve the operations with colons:

54 * 0 = 0
36 / 9 = 4
12 / 2 = 6

Now, let's put it all together:

0 + 4 + 6 = 10

So, the final answer is 10.