Hello!
What does this problem want:
- how many bagels in 8 hours
- how many bagels in 6 hours
What we need to find: rate of bagels made per hour

Thus
- how many bagels in 8 hours
8 * 160 = 1280 bagels
- how many bagels in 6 hours
6 * 160 = 960 bagels
Hope that helps!