Sentence:  Determined to milk as much benefit as possible from U.S. antiwar demonstrations, the Viet Cong last week freed two G.I.s. . . . The Viet Cong seemed to <WSD>get their money's worth</WSD> almost immediately. Seated on either side of a Viet Cong spokesman at a press conference in the Cambodian capital of Phnom Penh, the two Americans sharply denounced U.S. involvement in the war, praised their captors, and pledged to quit the Army to lead peace demonstrations. 
Meaning of the word marked with <WSD> tags:  To derive satisfaction from an experience or occurrence; to have one's expectations or hopes fulfilled.