Question

1×1×5×5×5×55×5×_×7×8×8×7×7×7×566566666666

Answer 1

what is this question pls give me quotation's pic

Answer 2

$1 \times 1 \times 5 \times 5 \times 5 \times 55 \times 5 \times 7 \times 8 \times 8 \times 7 \times 7 \times 7 \times 566566666666 \\ \\ = 2992718446663145200000$