# through me your days will be multiplied

"I will multiply your days" or "I will cause you to live many more days"

# through me

Wisdom, personified as a woman, continues to speak here.

# your days will be multiplied, and years of life will be added to you

These two phrases emphasize the great benefits wisdom has.

# years of life will be added to you

"I will add years of life to you" or "I will enable you to live longer"