Hope Theater originally had 38 rows of seats, with 36 seats in each row. After reconstruction, there are 50 rows of seats, with 36 seats in each row. How many seats have been added after the reconstruction?
希望剧场原有座位38排，每排36个．改建后，有座位50排，每排36个．改建后比原来增加了多少个座位？
<gadget id="calculator">50 * 36</gadget>
<output>1_800</output>

<gadget id="calculator">38 * 36</gadget>
<output>1_368</output>

<gadget id="calculator">1_800 - 1_368</gadget>
<output>432</output>

<result>432</result>