L.O. To use long multiplication

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Across
  1. 3. 421 x 25 =
  2. 4. 525 x 2 =
  3. 5. 224 x 4 =
  4. 7. 752 x 20 =
Down
  1. 1. 154 x 5 =
  2. 2. 421 x 6 =
  3. 3. 842 x 12 =
  4. 6. 541 x 14 =