Calculate 112*2+224*5-336*4.
计算112*2+224*5-336*4．
<gadget id="calculator">112 * 2</gadget>
<output>224</output>

<gadget id="calculator">224 * 5</gadget>
<output>1_120</output>

<gadget id="calculator">336 * 4</gadget>
<output>1_344</output>

<gadget id="calculator">1_120 - 1_344</gadget>
<output>-224</output>

<gadget id="calculator">224 + (-224)</gadget>
<output>0</output>

<result>0</result>