 
 <translate> A zoo has 21 penguins and twice as many polar bears? How many total animals do they have?
Thoughts? Step-by-step reasoning: <hau> Gidan dabbobi yana da 'yan penguin 21 da kuma beyar da yawa? Dukan dabbobi nawa suke da su? Wani tunani? Dalili na mataki zuwa mataki: 