 
 <translate> There are 21 * 2 = 42 polar bears. So the total 21 + 42 = 63 total animals.
Thus, the answer is 63. <hau> Akwai 21 * 2 = 42 beyar polar. Saboda haka jimillar 21 + 42 = 63 dabbobi duka. Saboda haka, amsar ita ce 63. 