88888*66667+44444*66666．
88888*66667+44444*66666．
<gadget id="calculator">88_888 * 66_667</gadget>
<output>5_925_896_296</output>

<gadget id="calculator">44_444 * 66_666</gadget>
<output>2_962_903_704</output>

<gadget id="calculator">5_925_896_296 + 2_962_903_704</gadget>
<output>8_888_800_000</output>

<result>8_888_800_000</result>