Question

For 4 week a man's average wage was 8200 naria per week . For the next 6 weeks his average wage was 7600 naria per week. what was his average weekly wage for the 10 weeks?
Bot
The average weekly wage for the 10 weeks is 7900 naria.
oobleck
AAAaannndd the bot gets it wrong yet again!

(4*8200 + 6*7600)/10 = 7840