Hello! To solve this problem, you can regroup this by multiplying the bottom digit by top digit. 6 * 8 is 48. From the 8 and carry your 4. 6 * 7 is 42 plus 4 is 46. Drop the 6 and carry your four. 6 * 3 is 18 plus 4 is 22. When combined, the product is 2,268. The product of 378 * 6 using place value with regrouping is 2,268.