How many kilograms does it add (1/10) to 20 kilograms?
20千克增加它的(1/10)是多少千克．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">20 * (11/10)</gadget>
<output>22</output>

<result>22</result>