2020202*333-3030303*222=how many.
2020202*333-3030303*222=多少．
<gadget id="calculator">2_020_202 * 333</gadget>
<output>672_727_266</output>

<gadget id="calculator">3_030_303 * 222</gadget>
<output>672_727_266</output>

<gadget id="calculator">672_727_266 - 672_727_266</gadget>
<output>0</output>

<result>0</result>