(223456:2)-3335:(3+5767)

Let's evaluate the expression step-by-step:

Expression: (223456 ÷ 2) - 3335 ÷ (3 + 5767)

1. Calculate 223456 ÷ 2: 223456 ÷ 2 = 111728

2. Calculate 3 + 5767: 3 + 5767 = 5770

3. Calculate 3335 ÷ 5770: 3335 ÷ 5770 ≈ 0.578 (rounded to three decimal places)

4. Subtract: 111728 - 0.578 ≈ 111727.422

Final answer: approximately 111727.422