A batch of fruit is shipped from the store, among which apples are 180kg, pears are more than apples (1/9), how many kilograms are pears more than apples?
商店运来一批水果，其中苹果有180kg，梨比苹果多(1/9)，梨比苹果多多少千克？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">180 * (1/9)</gadget>
<output>20</output>

<result>20</result>