58*52+58*50-58*2.
58*52+58*50-58*2．
<gadget id="calculator">58 * 52</gadget>
<output>3_016</output>

<gadget id="calculator">58 * 50</gadget>
<output>2_900</output>

<gadget id="calculator">58 * 2</gadget>
<output>116</output>

<gadget id="calculator">2_900 - 116</gadget>
<output>2_784</output>

<gadget id="calculator">3_016 + 2_784</gadget>
<output>5_800</output>

<result>5_800</result>