(1/5) of a bag of rice is exactly 30 kilograms, how much does the bag of rice weigh in kilograms?
一袋大米的(1/5)正好是30千克，这袋大米重多少千克．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">30 / (1/5)</gadget>
<output>150</output>

<result>150</result>