conversations.from: human
conversations.value: It takes Carmen 10 minutes to finish a crossword puzzle and 5 minutes to finish a sudoku puzzle.  Over the weekend she solved 3 crossword puzzles and 8 sudoku puzzles.  How much time did she spend playing these games?
  Work out the solution step by step.
conversations.from: assistant
conversations.value: It takes 10 minutes to complete a crossword puzzle and she completed 3 for a total of 10*3 = 30 minutes
  It takes 5 minutes to complete a sudoku puzzle and she completed 8 for a total of 5*8 = 40 minutes
  She spent 30 minutes on crosswords and 40 minutes on sudoku for a total of 30+40 = 70 minutes