3 meters 4 decimeters = how many meters.
3米4分米=多少米．
<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) + 3</gadget>
<output>17/5 = around 3.4</output>

<result>17/5 = around 3.4</result>