What is the sum of 58 73 and 42 73?
58个73与42个73的和是多少．
<gadget id="calculator">73 * 58</gadget>
<output>4_234</output>

<gadget id="calculator">73 * 42</gadget>
<output>3_066</output>

<gadget id="calculator">4_234 + 3_066</gadget>
<output>7_300</output>

<result>7_300</result>