(2*4*8*16)*(25*6.25*1.25)=how much.
(2*4*8*16)*(25*6.25*1.25)=多少．
<gadget id="calculator">2 * 4 * 8 * 16</gadget>
<output>1_024</output>

<gadget id="calculator">25 * 6.25 * 1.25</gadget>
<output>195.3125</output>

<gadget id="calculator">1_024 * 195.3125</gadget>
<output>200_000</output>

<result>200_000</result>