Simple calculation: 48*57+12*172.
简便计算：48*57+12*172．
<gadget id="calculator">48 * 57</gadget>
<output>2_736</output>

<gadget id="calculator">12 * 172</gadget>
<output>2_064</output>

<gadget id="calculator">2_736 + 2_064</gadget>
<output>4_800</output>

<result>4_800</result>