Jan enters a double dutch competition.  After training she doubles her speed which used to be 70 skips per minute.  How many skips does she do in 5 minutes?
She does 70*2=
<gadget id="calculator">70*2</gadget>
<output>140</output>
140 skips a minute.
So he does 140*5=
<gadget id="calculator">140*5</gadget>
<output>700</output>
700 skips in the 5 minutes.

<result>700</result>