Wrong. Two hints:

7x7=9 at the end, not 7.

30x30=900, already more than 777.

One hint: 3x7=21, 21x37=777.

When in doubt, use a calculator.

Oh I am sorry. I did not see the x sign between 3 and 7. Lol.

? My calculator definitely thinks that 3x7x37=777. Did you read it as 37x37 instead?

You don’t even need a calculator for a quick calculation, take the closest value of 10: 3x7=21x37 or easier 20x40 = 800 which is close to the actual number, 777.

Yes. Thanks. Sorry.

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