How much is 2 corners and 3 minutes written as a decimal.
2角3分写成小数是多少元．
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">(1/5) + (3/100)</gadget>
<output>23/100 = around 0.23</output>

<result>23/100 = around 0.23</result>