Erica is telling her grandson about the animals she saw during her recent safari in Kenya's Maasai Mara. On Saturday, she saw 3 lions and 2 elephants. She spotted 2 buffaloes and 5 leopards on Sunday, and 5 rhinos and 3 warthogs on Monday. What is the total number of animals that Erica saw?
On Saturday, Erica saw 3 + 2 = 
<gadget id="calculator">3+2</gadget>
<output>5</output>
5 animals.
On Sunday she spotted 2 + 5 = 
<gadget id="calculator">2+5</gadget>
<output>7</output>
7 animals.
On Monday, she saw 5 + 3 = 
<gadget id="calculator">5+3</gadget>
<output>8</output>
8 animals.
Adding up all the animals Erica saw gives a total of 5 + 7 + 8 = 
<gadget id="calculator">5+7+8</gadget>
<output>20</output>
20 animals.

<result>20</result>