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Fill in the numbers in each empty box, so that product of each 3 adjacent digits is always 30

Fill in the numbers in each empty box, so that product of each 3 adjacent digits is always 30. Write solution as one multi-digit number.

Correct answers: 64

The first user who solved this task is Djordje Timotijevic.

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Little Johnny Goes Fishing

Little Johnny's father took him on a fishing trip to Canada.
On returning home after catching only three fish his father says, "The way I figure it each fish cost us $400!"
Little Johnny replied, "Well, at that price it’s a good thing we didn’t catch any more of them than we did."

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George Robert Stibitz

Born 30 Apr 1904; died 31 Jan 1995 at age 90.U.S. mathematician who was regarded by many as the "father of the modern digital computer." While serving as a research mathematician at Bell Telephone Laboratories in New York City, Stibitz worked on relay switching equipment used in telephone networks. In 1937, Stibitz, a scientist at Bell Laboratories built a digital machine based on relays, flashlight bulbs, and metal strips cut from tin-cans. He called it the "Model K" because most of it was constructed on his kitchen table. It worked on the principle that if two relays were activated they caused a third relay to become active, where this third relay represented the sum of the operation. Also, in 1940, he gave a demonstration of the first remote operation of a computer.

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