Jiamei Supermarket has 45 kilograms of toffee at 11.5 yuan per kilogram, and 55 kilograms of fruit candy at 9.5 yuan per kilogram. If you mix these two kinds of sugar into assorted candies, how much yuan per kilogram can you sell without losing money?
佳美超市有45千克奶糖，每千克11.5元，还有55千克水果糖，每千克9.5元，把这两种糖混合成什锦糖，至少每千克卖多少元才不亏本？
<gadget id="calculator">45 * 11.5</gadget>
<output>517.5</output>

<gadget id="calculator">55 * 9.5</gadget>
<output>522.5</output>

<gadget id="calculator">517.5 + 522.5</gadget>
<output>1_040</output>

<gadget id="calculator">45 + 55</gadget>
<output>100</output>

<gadget id="calculator">1_040 / 100</gadget>
<output>52/5 = around 10.4</output>

<result>52/5 = around 10.4</result>