I think the answer is 1.06666666667
The answer is -21. Rule is that you follow the sign of the larger and add the opposite
1,398 * 4 = 5,592
5,592/3 = 1,864
Each pile would have 1,864 legos.
I'm most likely wrong because I haven't learned this yet but I'm guessing .25 or 1/4
