On Children's Day on June 1st, my father bought two series of books for Wang Ying, "Mystery of the Insect Kingdom" and "Sea World". of (5/8). How much does a set of "Sea World" cost?
"六一"儿童节，爸爸为王莹买了《昆虫王国的奥秘》和《海洋世界》两套丛书，共用了260元，一套《昆虫王国的奥秘》的价钱是一套《海洋世界》的(5/8)．一套《海洋世界》的价钱是多少元？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 + (5/8)</gadget>
<output>13/8 = around 1.625</output>

<gadget id="calculator">260 / (13/8)</gadget>
<output>160</output>

<result>160</result>