2 * 4 + 7;
3 * 5 + 8;
6 * 3 − 9;
7 * 2 − 6;
6 + 6 − 7 + 8;
8 + 9 − 7 + 3;
1 * 26;
0 * 14.
2 * 4 + 7 = 8 + 7 = 15;
3 * 5 + 8 = 15 + 8 = 23;
6 * 3 − 9 = 18 − 9 = 9;
7 * 2 − 6 = 14 − 6 = 8;
6 + 6 − 7 + 8 = 12 − 7 + 8 = 5 + 8 = 13;
8 + 9 − 7 + 3 = 17 − 7 + 3 = 10 + 3 = 13;
1 * 26 = 26;
0 * 14 = 0.