3333*3333+9999*8889.
3333*3333+9999*8889．
<gadget id="calculator">3_333 * 3_333</gadget>
<output>11_108_889</output>

<gadget id="calculator">9_999 * 8_889</gadget>
<output>88_881_111</output>

<gadget id="calculator">11_108_889 + 88_881_111</gadget>
<output>99_990_000</output>

<result>99_990_000</result>