conversations.from: human
conversations.value: Ruth prepared sandwiches. She ate 1 sandwich and gave 2 sandwiches to her brother. Her first cousin arrived and ate 2 sandwiches. Then her two other cousins arrived and ate 1 sandwich each. There were 3 sandwiches left. How many sandwiches did Ruth prepare?
  Work out the solution step by step.
conversations.from: assistant
conversations.value: Ruth's two cousins ate a total of 2 x 1 = 2 sandwiches.
  So there were 3 + 2 = 5 sandwiches left before her two cousins arrived.
  Before her first cousin arrived, there were 5 + 2 = 7 sandwiches.
  Ruth and her brother had 1 + 2 = 3 sandwiches altogether.
  Therefore, Ruth prepared 7 + 3 = 10 sandwiches."