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Calculate the number 399

NUMBERMANIA: Calculate the number 399 using numbers [4, 2, 7, 4, 22, 670] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 2

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I'm sorry, said the clerk in flower...

"I'm sorry," said the clerk in flower shop, "we don't have potted geraniums. Could you use African violets instead?"
Replied the customer sadly, "No, it was geraniums my wife told me to water while she was gone."

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Sir Edwin Ray Lankester

Born 15 May 1847; died 15 Aug 1929 at age 82. British zoologist whose interests embraced comparative anatomy, protozoology, parasitology, embryology and anthropology. He was one of the first to describe protozoan parasites found in the blood of vertebrates. Lankestrella (a parasite related to the causative agent of malaria) carries his name. His work contributed to an understanding of the disease. Based on his investigation into the comparative anatomy of the embryology of invertebrates, Lankester endorsed Darwin's theory of evolution, In anthrolopology, his activities included the discovery of flint implements, evidence of early man, in Pliocene sediments, Suffolk. He was Director of the British Museum of Natural History (1898-1907).«

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