Multiplication till 400

Calculate:

The number of examples:
Numerical difficulty:
Range of values:
Multiplicity:

14	×	22	=
14	×	11	=
15	×	12	=
19	×	19	=
7	×	15	=
14	×	24	=
21	×	9	=
17	×	16	=
21	×	19	=
13	×	12	=