What is the result of adding (1/10) to 10 kilograms and reducing (1/10) kilograms?
10千克增加它的(1/10)，再减少(1/10)千克后的结果是多少千克．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">10 * (1/10)</gadget>
<output>1</output>

<gadget id="calculator">10 - (1/10)</gadget>
<output>99/10 = around 9.9</output>

<gadget id="calculator">1 + (99/10)</gadget>
<output>109/10 = around 10.9</output>

<result>109/10 = around 10.9</result>