6. Solve the following expressions: 8 * 3 7 * 3

Step-by-step solution:

1. Step 1: Calculate the first expression: 8 * 3.
   Perform multiplication: \( 8 \cdot 3 = 24 \).
2. Step 2: Calculate the second expression: 7 * 3.
   Perform multiplication: \( 7 \cdot 3 = 21 \).

Answer: 24, 21