Abu Salamah (may Allah have mercy on him) said: The wife of Abd al-Rahman (may Allah be pleased with him) was given a settlement for her share, a quarter of the eighth, for 80,000.
This is understood to mean that she knew the amount of her share.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلح / 11355