A bag of chemical fertilizer weighs 50 kg, how many tons does 40 bags of such fertilizer weigh?
一袋化肥重50千克，40袋这样的化肥重多少吨
<gadget id="calculator">40 / 1_000</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">50 * (1/25)</gadget>
<output>2</output>

<result>2</result>