Calculation: 9*20*1616-16*2020=how much.
计算：9*20*1616-16*2020=多少．
<gadget id="calculator">9 * 20 * 1_616</gadget>
<output>290_880</output>

<gadget id="calculator">16 * 2_020</gadget>
<output>32_320</output>

<gadget id="calculator">290_880 - 32_320</gadget>
<output>258_560</output>

<result>258_560</result>