How to plug and designate both audio input and output if I have only one 3.5mm jack on laptop?

I am working thrugh the Audition CC lesson book, and I have downloaded audio files that go with the lessons. In the hardware setup directions the book says to connect my audio source, in this case an Ipad, into my audio input jack on my computer, and my speaker source into my output jack. But my Windows laptop only has one 3.5 mm jack for a headset with a mic attached. So how would I set up my audio output? In the Audition hardware setup page it shows the input hardware as two channel, and for the output page there is no 24 bit option - just 16 bit. I do have the 44100 Hz option ofr both. Thank you.