The school cafeteria brings in 120 bags of rice, which is 50 bags more than flour. How many bags of rice and flour are shipped back together?
学校食堂运进大米120包，比面粉多50包，运回大米和面粉共多少包？
<gadget id="calculator">120 - 50</gadget>
<output>70</output>

<gadget id="calculator">70 + 120</gadget>
<output>190</output>

<result>190</result>