125*16+2*2*3=how much.
125*16+2*2*3=多少．
<gadget id="calculator">125 * 16</gadget>
<output>2_000</output>

<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<gadget id="calculator">2_000 + 12</gadget>
<output>2_012</output>

<result>2_012</result>