829380/138-2004*0.505．
829380/138-2004*0.505．
<gadget id="calculator">829_380 / 138</gadget>
<output>6_010</output>

<gadget id="calculator">2_004 * 0.505</gadget>
<output>1_012.02</output>

<gadget id="calculator">6_010 - 1_012.02</gadget>
<output>4_997.98</output>

<result>4_997.98</result>