codea03N001, Step 1 - Issues with content

Task 4 to Task 8. The hint says print result without the brackets, but this results in SyntaxError: bad input.
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Task 6, two “Lecture Video” tabs are present.
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Task 10, the hint should be radius=int(input('Please enter the radius')). It will result in an error otherwise.
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The ‘radius’ mentioned in the hint needs to be changed.
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The formula to convert kilometer to mile seems to be wrong. The second image attachment is from google


Would prefer if the calculations are space out so that its easy to differentiat them