A series of regular numbers are known: 1, (2/3), (5/8), (13/21), (34/55).... Then, in this series of numbers, counting from left to right, what is the 10th number?
已知一串有规律的数：1，(2/3)，(5/8)，(13/21)，(34/55)…．那么，在这串数中，从左往右数，第10个数是多少．
<gadget id="calculator">4_181 / 6_765</gadget>
<output>4_181/6_765 = around 0.618034</output>

<result>4_181/6_765 = around 0.618034</result>