Divide 1 meter into 10 parts on average, such 7 parts are 1 meter ((())/(())), and use decimals to express how much to write.
把1米平均分成10份，这样的7份是1米的((())/(()))，用小数表示写作多少．
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>