What will come in the place of the question mark $(?)$ in the following expression?
$\frac{343 \times 49}{216 \times 16 \times 81} = ?$

  • A
    $\frac{7^{5}}{6^{7}}$
  • B
    $\frac{7^{5}}{6^{8}}$
  • C
    $\frac{7^{6}}{6^{7}}$
  • D
    $\frac{7^{4}}{6^{8}}$

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