conversations.from: human
conversations.value: Can you give me some step-by-step instructions for this math problem: Mark has 3 tanks for pregnant fish.  Each tank has 4 pregnant fish and each fish gives birth to 20 young.  How many young fish does he have at the end?
conversations.from: assistant
conversations.value: He has 4*3=12 pregnant fish
  They give birth to 12*20=240 fish