A department store ships a batch of toys and sells them at the original (ex-factory) price plus freight, operating expenses and profit. The freight is (1/6) of the original price, and the operating expense and profit are (1/9) of the original price. It is known that The selling price is 69 yuan, how much is the ex-factory price?
某百货商店运到一批玩具，按原(出厂)价加上运费、营业费和利润出售，运费是原价的(1/6)，营业费和利润是原价的(1/9)，已知售价是69元，出厂价是多少元？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/6) + (1/9) + 1</gadget>
<output>23/18 = around 1.277778</output>

<gadget id="calculator">69 / (23/18)</gadget>
<output>54</output>

<result>54</result>