Camryn practices the trumpet every 11^\text{th}11
th
11, start superscript, t, h, end superscript day and the flute every 3^\text{rd}3
rd
3, start superscript, r, d, end superscript day.
Camryn practiced both the trumpet and the flute today.
How many days until Camryn practices the trumpet and flute again in the same day?