There are two packs of candies, the ratio of the number of grains in the first pack to the number of grains in the second pack is 3:5, fruit sugar accounts for 35% in the first pack, and other sugars account for 41% in the second pack. If you combine the two packets of sugar, what is the percentage of fruit sugar?
有两包糖果，第一包的粒数与第二包的粒数之比是3：5，在第一包中水果糖占35%，在第二包中其他糖占41%．如果把两包糖合在一起，水果糖所占的百分数是多少？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(3/8) * (7/20)</gadget>
<output>21/160 = around 0.13125</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">41 / 100</gadget>
<output>41/100 = around 0.41</output>

<gadget id="calculator">1 - (41/100)</gadget>
<output>59/100 = around 0.59</output>

<gadget id="calculator">(5/8) * (59/100)</gadget>
<output>59/160 = around 0.36875</output>

<gadget id="calculator">(21/160) + (59/160)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>