7 multiplied by 5 is 35
7 times 3 is 21
2 times 5 is 10
2 times 3 is 6
2 times 9 is 18
If

inch is equal to 3 feet, then 1 inch = 6 feet because

and 3 * 2 = 6.
Thus 1 x 7 = 7, and 6 x 7 = 42.
42 feet.
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There is no question in this.