1. The problem is to calculate $\frac{1}{2} \times 6 \times 11$. 2. First, multiply $6$ and $11$: $$6 \times 11 = 66$$. 3. Now multiply $\frac{1}{2}$ by $66$: $$\frac{1}{2} \times 66 = 33$$. 4. Thus, the final answer is $33$.