20.01*314+200.1*31.4+2001*3.14=how much.
20.01*314+200.1*31.4+2001*3.14=多少．
<gadget id="calculator">20.01 * 314</gadget>
<output>6_283.14</output>

<gadget id="calculator">200.1 * 31.4</gadget>
<output>6_283.14</output>

<gadget id="calculator">2_001 * 3.14</gadget>
<output>6_283.14</output>

<gadget id="calculator">6_283.14 + 6_283.14 + 6_283.14</gadget>
<output>18_849.42</output>

<result>18_849.42</result>