The original price of a washing machine is 1350 yuan, and the price is now reduced by 20%. At this time, the selling price is more than the cost (1/9), what is the cost price of this washing machine?
一种洗衣机原价1350元，现降价20%出售，此时售价比成本多(1/9)，则这种洗衣机成本价是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_350 * (4/5)</gadget>
<output>1_080</output>

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

<gadget id="calculator">1 + (1/9)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">1_080 / (10/9)</gadget>
<output>972</output>

<result>972</result>