It is actually a lot to eat of just carbs - it’s doable, but it does take work. It would be fairly hard to get this eating whole foods - I think starchy foods like potatoes/rice would be the only way to do it with whole foods.
For example, you could eat two family size boxes (38 servings) of honey nut cheerios to get the required carbs.
(760 grams total)
or 3 18oz containers (39 servings) of oatmeal:
(897 grams total)