20.16*32+2.016*680=how much.
20.16*32+2.016*680=多少．
<gadget id="calculator">20.16 * 32</gadget>
<output>645.12</output>

<gadget id="calculator">2.016 * 680</gadget>
<output>1_370.88</output>

<gadget id="calculator">645.12 + 1_370.88</gadget>
<output>2_016</output>

<result>2_016</result>