Yangyang’s weight is 5kg heavier than Jiahang’s, and Jiahang’s weight is 1/7 lighter than Yangyang’s. How many kilograms does Yangyang weigh?
阳阳的体重比佳航重5千克，佳航的体重比阳阳轻(1/7)，阳阳的体重是多少千克？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">5 / (1/7)</gadget>
<output>35</output>

<result>35</result>