#### Answer

258447

#### Work Step by Step

Start by multiplying in the ones column. 7 * 1 = 7 ones
write 7 ones in the ones column.
3 6 9 2 1
x 7
7
Next, multiply 7 times 2 tens. 7 * 2 tens = 14 tens
write 4 tens in the tens column and write 1 hundreds at hundred’s column.
1
3 6 9 2 1
x 7
4 7
Next, multiply 7 times 9 hundreds. 7 * 9 hundreds = 63 hundreds
Add the 1 hundreds that was written at the top of the hundred’s column.
63 hundreds + 1 hundreds = 64 hundreds
write 4 hundreds in the hundred’s column and write 6 thousands in the thousand’s column.
6 1
3 6 9 2 1
x 7
4 4 7
Next, multiply 7 times 6 thousands. 7 * 6 thousands = 42 thousands.
Add the 6 thousands that was written at the top of the thousand’s column.
42 thousands + 6 thousands = 48 thousands
write 8 thousands in the thousand’s column and write 4 ten thousands in the ten thousand’s column.
4 6 1
3 6 9 2 1
x 7
8 4 4 7
Next, multiply 7 times 3 ten thousands. 7 * 3 ten thousands = 21 ten thousands.
Add the 4 ten thousands that was written at the top of the ten thousand’s column.
21 ten thousands + 4 ten thousands = 25 ten thousands
4 6 1
3 6 9 2 1
x 7
2 5 8 4 4 7