Xiao Wang and Xiao Dong are good friends. Xiao Wang has RMB 350, and Xiao Dong not only has no money, but also owes others RMB 120. How much money do they have in total?
小王跟小东是一对好朋友，小王有人民币350元，小东不但没钱，还欠了别人120元，两人一共有多少元？
<gadget id="calculator">350 - 120</gadget>
<output>230</output>

<result>230</result>