 
 <translate> I caught 4 fewer fish than the number in my tank and added them to my fish tank. If the tank has 20 fish right now, how many did I add? Let's answer step by step: <hau> Na kama kifi 4 kasa da adadin da ke cikin akwatin kifina kuma na kara su a cikin akwatin kifina. Idan tankin yana da kifi 20 a yanzu, nawa na kara? Bari mu amsa mataki-mataki: 