2 + 3;
3 + 5 / 2;
5 * 7 + 6.23;
5 + 7i;
5E2 + 3e-5-4+2i;
5*3+2i;
5 + [.0, 7]i;
[1,3] * [2,4]
;

[1,3] / [2,4];
(1+3i) /(2+4i);
[7,4] / [5,8]

* [5,8] / [7,4]; 5 i+3i*4i;
[3+5*7,8*(2-5.00)] / (34+24i);
