85.4*2345-85.4*1345.
85.4*2345-85.4*1345．
<gadget id="calculator">85.4 * 2_345</gadget>
<output>200_263</output>

<gadget id="calculator">85.4 * 1_345</gadget>
<output>114_863</output>

<gadget id="calculator">200_263 - 114_863</gadget>
<output>85_400</output>

<result>85_400</result>