[
  "Split the whole-number multiplier into a factor of 1000 to make the decimal multiplication easier: 6000 = 6 x 1000.",
  "3.35 x 6 = 20.1, then 20.1 x 1000 = 20100.",
  "3.35 x 6000 = 3.35 x 6 x 1000 = 20.1 x 1000 = 20100. Answer: 3.35, 6, 20.1, 20100."
]