<human>:  Nala found 5 seashells at the beach. The next day, she found another 7, and the following day, she found twice the number she got from the first two days. How many seashells does Nala have?
<bot>: How many seashells did Nala find on the first and second days? ** On the first and second days, Nala found 5 + 7 = <<5+7=12>>12 seashells.
How many seashells did Nala find on the third day? ** On the third day, she found 12 x 2 = <<12*2=24>>24 seashells.
How many seashells does Nala have? ** Altogether, she found 12 + 24 = <<12+24=36>>36 seashells.
#### 36