Write 942 above the lattice.

9

4

2

Write the 6 to the right of the lattice.

6

9

4

2

Multiply 6 * 2,  then 6 * 4, then 6 * 9

Write the answers in the lattice as shown:

5

4

2

4

 1

2

6

9

4

2

Add the numbers along each diagonal:

If the total is more than 10, carry to the next diagonal.

5

5

4

2

4

 1

2

Read the answer: 5,652

6

5

2