How we will try a few slightly more difficult examples:
3 r5 1. DIVIDE (How many times will 23 fit into 74?)
+------- 2. MULTIPLY (3 x 23 = 69)
23 | 74 3. SUBTRACT (74 - 69 = 5)
69 4. REMAINDER ( 5 )
-----
5
2 r8
+--------
35 | 78
70
-----
8
Try a few for yourself!