The weight ratio of the two bags of sugar from A to B is 4:1. If 10 grams are taken out from the A bag and put into the B bag, the weight ratio of the two bags of sugar from A to B becomes 3:2. So how many grams is the sum of the weights of the two packets of sugar?
甲乙两包糖的重量比是4：1，如果从甲包取出10克放入乙包后，甲乙两包糖的重量比变为3：2．那么两包糖重量的总和是多少克？
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(4/5) - (3/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 / (1/5)</gadget>
<output>50</output>

<result>50</result>