Calculate how much 77778*99999+33333*66666-625*125*33*8*16=.
计算77778*99999+33333*66666-625*125*33*8*16=多少．
<gadget id="calculator">77_778 * 99_999</gadget>
<output>7_777_722_222</output>

<gadget id="calculator">33_333 * 66_666</gadget>
<output>2_222_177_778</output>

<gadget id="calculator">625 * 125 * 33 * 8 * 16</gadget>
<output>330_000_000</output>

<gadget id="calculator">2_222_177_778 - 330_000_000</gadget>
<output>1_892_177_778</output>

<gadget id="calculator">7_777_722_222 + 1_892_177_778</gadget>
<output>9_669_900_000</output>

<result>9_669_900_000</result>