6 ⋅ 130 = 780 4 ⋅ 240 = 960 3 ⋅ 170 = 510

Решение:

1. \( 6 \times 130 = 780 \)
2. \( 4 \times 240 = 960 \)
3. \( 3 \times 170 = 510 \)

Ответ: 780, 960, 510.