Clever calculation: 46*28+24*63.
巧算：46*28+24*63．
<gadget id="calculator">46 * 28</gadget>
<output>1_288</output>

<gadget id="calculator">24 * 63</gadget>
<output>1_512</output>

<gadget id="calculator">1_288 + 1_512</gadget>
<output>2_800</output>

<result>2_800</result>