input: Write a function to convert cups of coffee to the equivalent amount in milliliters (assuming 1 cup = 60 milliliters).
  assert coffeeConvert(1) == 60
  assert coffeeConvert(2) == 120
  assert coffeeConvert(0) == 0
  assert coffeeConvert(3.5) == 210
output: def coffeeConvert(cups):
      return cups * 60