(3/10) yuan is written as a decimal; 0.7 is written as a fraction ((())/(())).
(3/10)元写成小数是多少元；0.7写成分数是((())/(()))．
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>