It's going to rain, Xiaoli sees lightning in the distance, and hears thunder 5 seconds later, how far is the place of lightning from Xiaoli? (The propagation speed of thunder in the air is 0.34 km/s.)
要下雨了，小莉看见远处有闪电，5秒后听到了雷声，闪电的地方离小莉有多远？(雷声在空气中的传播速度是0.34千米/秒．)
<gadget id="calculator">0.34 * 5</gadget>
<output>1.7</output>

<result>1.7</result>