conversations.from: human
conversations.value: Can you give me some step-by-step instructions for this math problem: James decides to cut down some trees.  In the first 2 days, he cuts down 20 trees each day.  For the next 3 days his 2 brothers help him cut down trees.  They cut 20% fewer trees per day than James.  How many total trees were cut down?
conversations.from: assistant
conversations.value: He cuts down 2*20=40 trees by himself
  Each of his brothers cuts down 20*.2=4 fewer trees per day
  So they each cut down 20-4=16 trees
  So for the next 3 days they cut down 20+16*2=52 trees per day
  So they cut down 40+52*3=196 trees