延のべ日にっ数すう

noun

total days; aggregate number of days

Used in contexts like work records, travel, or statistics to refer to the sum of days counted without regard to overlap or duplication.

• 今こん月げつの出しゅっ張ちょうの延のべ日にっ数すうは10日にちです。

  The total number of days for business trips this month is 10 days.

• 工こう事じの延のべ日にっ数すうを計けい算さんしてください。

  Please calculate the aggregate number of days for the construction work.