2 meters 40 cm = how many meters.
2米40厘米=多少米．
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) + 2</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>