The weight ratio of Xiaojia to her father is 7:15, Xiaojia weighs 35 kilograms, how many kilograms does her father weigh?
小佳与爸爸体重的比是7：15，小佳有35千克，爸爸有多少千克．
<gadget id="calculator">15 / 7</gadget>
<output>15/7 = around 2.142857</output>

<gadget id="calculator">35 * (15/7)</gadget>
<output>75</output>

<result>75</result>