Supermarket A has Jindi chocolate (6/5) tons and Dove chocolate (5/6) tons. The mass ratio of Jindi chocolate to Dove chocolate in supermarket B is 3:5. Together, then Jindi and Dove chocolate are the same weight, how many tons of Dove chocolate in Supermarket B?
甲超市有金帝巧克力(6/5)吨，德芙巧克力(5/6)吨，乙超市金帝巧克力的质量与德芙巧克力的质量比是3：5，如把两个超市巧克力放在一起，那么金帝和德芙巧克力一样重，乙超市的德芙巧克力有多少吨．
<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(6/5) - (5/6)</gadget>
<output>11/30 = around 0.366667</output>

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

<gadget id="calculator">(11/30) / 2</gadget>
<output>11/60 = around 0.183333</output>

<gadget id="calculator">5 * (11/60)</gadget>
<output>11/12 = around 0.916667</output>

<result>11/12 = around 0.916667</result>