First Action Quest?

I got hooked by how delicious it looked and downloaded it, but it's the total amount of in-game gems! Hmm, it's good that there's no rush since it's not a phased deadline with a 30-day limit, but how many people can actually reach the delicious coin reward? Or rather, getting 10,000 gems, is this w❓️The amount you get per game isn't tiny...