Enter the number of rows in your matrix: 3
Enter the number of columns in your matrix: 4
Enter the value at position (0, 0): 2
Enter the value at position (0, 1): 9
Enter the value at position (0, 2): 4
Enter the value at position (0, 3): 5
Enter the value at position (1, 0): 7
Enter the value at position (1, 1): 5
Enter the value at position (1, 2): 3
Enter the value at position (1, 3): 10
Enter the value at position (2, 0): 6
Enter the value at position (2, 1): 1
Enter the value at position (2, 2): 8
Enter the value at position (2, 3): 15

Enter the number of elements in the vector: 4
Enter the element at position 0: 5
Enter the element at position 1: -14.3
Enter the element at position 2: 27.6
Enter the element at position 3: 40.1

The product is: {192.2, 447.3, 838.0}