What is the number 0.7 less than 5 times 0.72
比0.72的5倍少0.7的数是多少
<gadget id="calculator">0.72 * 5</gadget>
<output>3.6</output>

<gadget id="calculator">3.6 - 0.7</gadget>
<output>2.9</output>

<result>2.9</result>