Xiao Ming walks at a speed of 70 m/min, how many kilometers can he walk in 100 minutes?
小明步行的速度是70米/分，100分可以行多少千米．
<gadget id="calculator">100 / 1_000</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">70 * (1/10)</gadget>
<output>7</output>

<result>7</result>