How much is 9 jiao and 1 yuan and 3 jiao combined?
9角与1元3角合起来是多少元．
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">0.9 + (13/10)</gadget>
<output>2.2</output>

<result>2.2</result>