The sum of the weights of A and B is 125 kg, and the sum of the weights of B and C is 115 kg. The ratio of the weights of A and C is 6:5. How much does B weigh?
甲乙两人体重的和是125千克，乙丙两人体重的和是115千克，其中甲丙两人体重的比是6：5，问乙体重多少千克？
<gadget id="calculator">125 - 115</gadget>
<output>10</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">126 - 60</gadget>
<output>66</output>

<result>66</result>