horse weighs 90 kilograms, which is 6 times the weight of a sheep. How many kilograms does a horse weigh more than a sheep?
一匹马体重90千克，是一只绵羊体重的6倍，一匹马比一只绵羊重多少千克？
<gadget id="calculator">90 / 6</gadget>
<output>15</output>

<gadget id="calculator">90 - 15</gadget>
<output>75</output>

<result>75</result>