this much

I eat rice.

私はご飯を食べます

I eat rice after exercising.

私は運動後にご飯を食べます

I eat rice with my friend after exercising.

私は運動後に友達とご飯を食べます

I eat rice with my friend at the canteen after exercising.

私は運動後に友達と食堂でご飯を食べます

I eat this much rice with my friend at the canteen after exercising.

私は運動後に友達と食堂でこれほどたくさんのご飯を食べます