Red Star Garment Factory produces a certain suit, and takes 20% of the cost price of the suit as profit, and sets the sum of cost price and profit as the ex-factory price. Among them, the ex-factory price of the top is 30% higher than the cost price of the top, and the ex-factory price of the bottom is equal to the cost price of the bottom, which is 64 yuan. What is the cost price of this suit?
红星服装厂生产某种套装，按套装成本价的20%作利润，将成本价与利润的和定为出厂价．其中上装的出厂价比上装的成本价高30%，而下装的出厂价与下装的成本价相等为64元，这种套装的成本价是多少．
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(3/10) - (1/5)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">12.8 / (1/10)</gadget>
<output>128</output>

<gadget id="calculator">128 + 64</gadget>
<output>192</output>

<result>192</result>