[
  "Multiply: 70 grapefruits × 235 g each = 16,450 g.",
  "Divide by 1000 to convert to kg: 16,450 ÷ 1000 = 16.45 kg.",
  "The whole part is kilograms (16). The decimal part × 1000 gives grams: 0.45 × 1000 = 450 g."
]