I am not sure I've got your point, nor if you are agreeing or disagreeing with me? anyway, I don't think your "run a marathon" or "hour of sustained running" a

I am not sure I've got your point, nor if you are agreeing or disagreeing with me? anyway, I don't think your "run a marathon" or "hour of sustained running" analogies are appropriate... OP mentions "how many hours are there in 1 day and 7 hours", that's closer to "run a 100 meters at any pace", something that any student should do. And even if teacher is giving unreasonable assignments, the right answer is not to cheat (by asking parent, or ChatGPT or something) - but rather do what you can, so hopefully teacher will see low performance and adjust assignments/expectations.