3333*3334+2222*9999.
3333*3334+2222*9999．
<gadget id="calculator">3_333 * 3_334</gadget>
<output>11_112_222</output>

<gadget id="calculator">2_222 * 9_999</gadget>
<output>22_217_778</output>

<gadget id="calculator">11_112_222 + 22_217_778</gadget>
<output>33_330_000</output>

<result>33_330_000</result>