Divide 1 cm into 10 parts, 1 part is 1 mm, 1 mm is 1 decimeter
把1厘米平均分成10份，1份是1毫米，1毫米是1分米的多少
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * (1/10)</gadget>
<output>1/100 = around 0.01</output>

<result>1/100 = around 0.01</result>