sheep weighs 30 kilograms, how many tons does 100 such sheep weigh?
一只羊重30千克，100只这样的羊约重多少吨．
<gadget id="calculator">100 / 1_000</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">30 * (1/10)</gadget>
<output>3</output>

<result>3</result>