<human>:  Every 2 years, the number of swans at Rita's pond doubles. Currently, there are 15 swans in the pond. How many swans will there be in ten years?
<bot>: How many swans will there be in two years? ** If currently there are 15 swans in the pond, in two years' time there will be 15*2=<<15*2=30>>30 swans.
How many swans will there be in ten years? ** In another two years, the number of swans in the pond will double to 2*30=<<2*30=60>>60 swans
How many swans will there be in ten years? ** In another two years, the number of swans in the pond will double to 2*60=<<2*60=120>>120 swans
How many swans will there be in ten years? ** If after 6 years there are 120 swans in the pond, in eight years times there will be 2*120=240 swans
How many swans will there be in ten years? ** In another two years, which is 10 years, there will be 2*240=<<2*240=480>>480 swans in the pond
#### 480