42
because...
9x = 378
x = 378/9
x = 42
42/1-7/2247
1 times 378 equals 378.
189
The answer is 567. 2x189=378. 3x189=567.
378 divided by 9 = 42
378 ÷ 42 = 9
How about: 14*27 = 378 as one example
378
There are actually three answers to your question: 42 * 9, 54 * 7, and 63 * 6 all equal 378.
Yes because the digital sum of 378 add up to 9 and 378/9 = 42
Because its final digital sum equals 9
63 × 6 54 × 7 42 × 9
-378