The sixth grade students donated 1,800 yuan of clothes to the disaster area, the fifth grade donated 50 yuan less than the sixth grade (11/12), and the fourth grade donated 120 yuan more than the fifth grade (5/8). How much does the fourth grade donate?
六年级同学为灾区捐衣物1800元，五年级捐的数量比六年级的(11/12)少50元，四年级捐的比五年级的(5/8)多120元．四年级捐多少元？
<gadget id="calculator">11 / 12</gadget>
<output>11/12 = around 0.916667</output>

<gadget id="calculator">1_800 * (11/12)</gadget>
<output>1_650</output>

<gadget id="calculator">1_650 - 50</gadget>
<output>1_600</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1_600 * (5/8)</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 + 120</gadget>
<output>1_120</output>

<result>1_120</result>