There are 285 kg of rice, 45 kg less than 3 times the weight of flour, how many kg of flour?
大米有285千克，比面粉重量的3倍少45千克，面粉有多少千克？
<gadget id="calculator">285 + 45</gadget>
<output>330</output>

<gadget id="calculator">330 / 3</gadget>
<output>110</output>

<result>110</result>