calculate average of 4 8 12
⚠ 4 8 12 is read as 4812, the space being ignored: write 4*8*12 for a product or 4^8^12 for a power
Let's evaluate: 4 + 8 + 123
4 + 8 = 12
12 + 123
12 + 12 = 24
243
Result:   8