((321/123)+(345/234)+(432/543))*((315/234)+(432/543)+(123/321))-((321/123)+(345/ 234)+(432/543)+(123/321))*((345/234)+(432/543))=how much.
((321/123)+(345/234)+(432/543))*((315/234)+(432/543)+(123/321))-((321/123)+(345/234)+(432/543)+(123/321))*((345/234)+(432/543))=多少．
<gadget id="calculator">123 / 321</gadget>
<output>41/107 = around 0.383178</output>

<gadget id="calculator">321 / 123</gadget>
<output>107/41 = around 2.609756</output>

<gadget id="calculator">(41/107) * (107/41)</gadget>
<output>1</output>

<result>1</result>