What is the reciprocal of the difference between 0.7 and 0.73?
0.7与0.73差的倒数是多少．
<gadget id="calculator">0.73 - 0.7</gadget>
<output>0.03</output>

<gadget id="calculator">1 / 0.03</gadget>
<output>33.333333</output>

<result>33.333333</result>