Calculation: 720*56+440*72.
计算：720*56+440*72．
<gadget id="calculator">720 * 56</gadget>
<output>40_320</output>

<gadget id="calculator">440 * 72</gadget>
<output>31_680</output>

<gadget id="calculator">40_320 + 31_680</gadget>
<output>72_000</output>

<result>72_000</result>