1 decimeter is 1 meter (1/10), that is, 1 decimeter = ((())/(())) meter.
1分米是1米的(1/10)，也就是1分米=((())/(()))米．
<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>