NIhE (http://www.lojban.org/en/publications/reference_grammar/chapter18.html)

Creates a mathematical operand from a selbri, usually a ``ni'' abstraction.
Terminated by TEhU.

li ni'e ni clani [te'u] pi'i ni'e ni ganra [te'u] pi'i ni'e ni condi te'u du
li ni'e ni canlu the-number quantity-of length times quantity-of width times
quantity-of depth equals the-number quantity-of volume. Length x Width x Depth =
Volume

