Question: User: 8,742\times 94
1. **State the problem:** Multiply $8,742$ by $94$.
2. **Formula used:** Multiplication of two numbers is done by multiplying each digit and adding the results accordingly.
3. **Calculate:**
$$8,742 \times 94 = 8,742 \times (90 + 4) = 8,742 \times 90 + 8,742 \times 4$$
4. Calculate each part:
$$8,742 \times 90 = 8,742 \times 9 \times 10 = 78,678 \times 10 = 786,780$$
$$8,742 \times 4 = 34,968$$
5. Add the two results:
$$786,780 + 34,968 = 821,748$$
6. **Final answer:**
$$8,742 \times 94 = 821,748$$