A deposit of 100 yuan is recorded as +100; a withdrawal of 50 yuan is recorded as -50. Xiao Ming's passbook has the following records: +1000, -200, -100, -200, -300. How much money is left in Xiao Ming's passbook?
存款100元，记作+100；取款50元，记作-50．小明的存折里有如下记录：+1000，-200，-100，-200，一300．小明的存折里余多少元．
<gadget id="calculator">200 + 100 + 200 + 300</gadget>
<output>800</output>

<gadget id="calculator">1_000 - 800</gadget>
<output>200</output>

<result>200</result>